Everyday tools that do one thing well.
Clean, instant web utilities built for speed, precision, and privacy. Zero accounts, zero tracking, and zero data stored on external servers.
Developer tools
98 tools-
AI color palette generator
Free client-side AI color palette generator web utility.
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AI text/image model playground
Free client-side AI text/image model playground web utility.
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Article reader mode & content extractor
Free client-side Article reader mode & content extractor web utility.
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Barcode Generator
Generate free vector barcodes in Code 128, EAN-13, UPC-A, and Code 39 formats with instant SVG and PNG downloads.
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Base64 / URL / hash encoder
Fast, privacy-first online Base64 / URL / hash encoder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Binary, Hex, Base64 & ASCII Text Converter
Instantly translates text between Plain Text, Binary (01), Hexadecimal (0x), Base64, and Decimal ASCII byte values with live 2-way conversion.
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Codeforces profile & rating lookup
Free client-side Codeforces profile & rating lookup web utility.
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Colour contrast & palette
Fast, privacy-first online Colour contrast & palette tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Colour format converter
Convert colours between HEX, RGB, HSL, and CMYK formats with live swatch preview, WCAG 2.1 contrast ratio checker, harmony palettes, and 1-click CSS copying.
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Comment toxicity & content moderation checker
Free client-side Comment toxicity & content moderation checker web utility.
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Company logo finder by domain
Free client-side Company logo finder by domain web utility.
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Competitive Programming Contest Tracker & Schedule
Real-time schedule aggregator and countdown timer for Codeforces, LeetCode, AtCoder, CodeChef, and HackerRank algorithm contests.
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Credit card BIN/IIN lookup
Free client-side Credit card BIN/IIN lookup web utility.
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Cron expression builder
Fast, privacy-first online Cron expression builder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Cron Expression Generator & Explainer
Explain a 5-field cron expression in plain English, break it down field by field, and see its next 5 scheduled run times.
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Cron job visual scheduler
Fast, privacy-first online Cron job visual scheduler tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Cryptographic Hash & Checksum Calculator
Compute SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text or a file, and compare against an expected checksum, entirely in your browser.
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CSS clip-path generator
Generate CSS clip-path polygon, circle, and ellipse shapes with an interactive draggable canvas, 15+ geometric shape presets, and cross-browser vendor prefix code.
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CSS generator suite
Fast, privacy-first online CSS generator suite tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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CSS Glassmorphism & Multi-Layer Box Shadow Generator
Generate modern frosted glassmorphism effects and smooth multi-layer box shadows with live visual preview. Copy ready-to-use CSS and Tailwind code.
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CSS Grid & Flexbox Visual Layout Code Generator
Visually design responsive CSS Grid and Flexbox layouts. Adjust columns, rows, gap, alignment, and instantly export production-ready CSS, HTML, and Tailwind code.
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CSS Keyframe Animation Generator
Generate CSS @keyframes animations (pulse, float, bounce, spin, shake) with a live preview, adjustable duration, timing, iteration, and direction.
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CSS noise texture generator
Free client-side CSS noise texture generator web utility.
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CSV / JSON / XML / SQL converter
Fast, privacy-first online CSV / JSON / XML / SQL converter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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CVE Vulnerability Database & CVSS Calculator
Search common vulnerabilities, evaluate exploit severity, and compute official CVSS v3.1 risk scores directly in your browser.
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Discord Presence Badge Generator
Free client-side SVG Discord status badge and GitHub README embed generator with custom themes, roles, and presence.
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Disposable email domain checker
Free client-side Disposable email domain checker web utility.
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DNS Lookup Tool
Free client-side DNS-over-HTTPS lookup tool with A, AAAA, MX, TXT, NS, CAA records, SPF/DMARC checks, and DNSSEC validation.
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Domain availability checker
Free client-side Domain availability checker web utility.
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Domain Name Search by Keyword
Free client-side domain name search and smart brandable name generator by keyword with DNS availability checks and registrar comparisons.
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Domain WHOIS & history intelligence
Free client-side Domain WHOIS & history intelligence web utility.
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Electronic component price & availability search
Free client-side Electronic component price & availability search web utility.
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Email domain security checker (SPF/DKIM/DMARC)
Free client-side Email domain security checker (SPF/DKIM/DMARC) web utility.
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Email Reputation & Threat Risk Checker
Audit email addresses for spam risk, disposable domains, typo-squatting, and mail server deliverability client-side.
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Embeddable map & directions generator
Free client-side Embeddable map & directions generator web utility.
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GitHub profile stats card generator
Free client-side GitHub profile stats card generator web utility.
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Google SERP rank checker
Free client-side Google SERP rank checker web utility.
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Hacker News Top Stories & Discussion Reader
A clean, focused reading experience for Hacker News front-page articles, Show HN launches, and community discussions.
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Hardware end-of-life lookup
Free client-side Hardware end-of-life lookup web utility.
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Have I Been Pwned? data breach checker
Free client-side Have I Been Pwned? data breach checker web utility.
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HTML entity encoder/decoder
Encode and decode HTML special characters and entities. Converts to named (©), decimal (©), and hex (©) formats with XSS sanitation and cheatsheet.
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HTTP Headers Parser & Security Auditor
Parse raw HTTP response headers into a table and audit for missing security headers such as CSP, HSTS, and X-Frame-Options.
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HTTP Status Codes & Response Header Reference Guide
Searchable guide of 60+ HTTP status codes (1xx–5xx) with SEO crawl impacts, HTTP header diagnostics, troubleshooting protocols, and a live in-browser endpoint latency and header inspector.
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Internet noise & scanner traffic lookup
Free client-side Internet noise & scanner traffic lookup web utility.
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Internet-connected device search
Free client-side Internet-connected device search web utility.
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IP Abuse & Blacklist Checker
Free IP abuse and blacklist checker with DNSBL/RBL status, threat score, proxy/Tor detection, and RFC abuse complaint generator.
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IP subnet calculator
Calculate IPv4 network address, broadcast address, usable host IP range, wildcard mask, and binary bitwise breakdown. Supports CIDR prefixes /0 through /32 and VLSM.
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Is it down? Service status checker
Free client-side Is it down? Service status checker web utility.
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Is This Coordinate on Water or Land?
Free online coordinate land vs. water checker. Verify GPS coordinates against global oceans, continental landmasses, and freshwater lakes with interactive map and batch validation.
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JSON formatter / validator / diff
Fast, privacy-first online JSON formatter / validator / diff tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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JSON to CSV & YAML Converter
Convert JSON objects and arrays into clean CSV tables or YAML documents entirely in your browser, with dot-notation flattening for nested data.
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JSON to TypeScript Interface & JSON Schema Converter
Convert JSON objects into TypeScript interfaces, types, Zod schemas, and standard JSON Schema (Draft-07). Instant client-side conversion with zero server tracking.
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JWT decoder & debugger
Decode and debug JSON Web Tokens (JWT) 100% client-side. Inspect header algorithms, payload claims, and token expiration timestamps without sending data to a server.
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JWT Token Decoder & Claims Inspector
Decode a JWT's header and payload, inspect its claims and expiration, and verify an HS256/384/512 signature against your own secret.
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JWT Token Decoder & Expiration Inspector
Decode and inspect JSON Web Tokens (JWT) client-side in real time. Inspect header algorithms, claims, payload data, expiration dates, and verify HMAC SHA-256 signatures securely with zero server storage.
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MAC address vendor lookup
Free client-side MAC address vendor lookup web utility.
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Markdown editor & converter
Fast, privacy-first online Markdown editor & converter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Markdown Table Generator & Editor
Build a Markdown table in a spreadsheet-like editor with per-column alignment, or paste an existing table to edit it, and export clean GitHub-flavored Markdown.
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Meta tag & Open Graph generator
Generate HTML meta tags, Open Graph (og:) tags, Twitter cards, and Schema.org JSON-LD with live Google SERP and Facebook/Twitter social card previews.
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Multi-engine malware & URL scanner
Free client-side Multi-engine malware & URL scanner web utility.
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NPM Package Info Lookup
Free client-side npm package inspector with bundle sizes, dependency counts, weekly downloads, and multi-package-manager install syntax.
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Number base converter
Convert numbers across Binary, Decimal, Hexadecimal, and Octal with live simultaneous conversion, step-by-step mathematical workings, bit length, and Two's complement.
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Online code runner & compiler
Free client-side Online code runner & compiler web utility.
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Open Graph & Twitter Card tester
Fast, privacy-first online Open Graph & Twitter Card tester tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Open source license chooser & lookup
Free client-side Open source license chooser & lookup web utility.
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Passphrase generator (diceware)
Generate cryptographically secure multi-word passphrases using Diceware and CSPRNG. Calculate real-time Shannon entropy bits and crack-time resilience.
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Phone number validator & carrier lookup
Free client-side Phone number validator & carrier lookup web utility.
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Profanity & content filter checker
Free client-side Profanity & content filter checker web utility.
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Professional email finder by domain
Free client-side Professional email finder by domain web utility.
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Prompt Token Counter & LLM Cost Estimator
Count prompt tokens in real time and calculate API call costs across GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, DeepSeek, and Llama 3 models.
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Random avatar generator
Free client-side Random avatar generator web utility.
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Regex tester & explainer
Fast, privacy-first online Regex tester & explainer tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Regex Tester & Match Debugger
Test regular expressions against your own text with live match highlighting, capture group inspection, and a replace preview.
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Robots.txt generator
Generate a clean, RFC-compliant robots.txt file. Supports Allow/Disallow directives, XML sitemaps, crawl-delay, AI scraper controls (GPTBot, CCBot), and live path tester.
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Route & isochrone (reachability) calculator
Free client-side Route & isochrone (reachability) calculator web utility.
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SEO Title & Meta Description Pixel Width Counter
Test SEO title tags and meta descriptions against Google's exact 600-pixel desktop and 960-pixel snippet boundaries using HTML5 canvas typography measurement with real-time desktop & mobile SERP previews.
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SERP & social preview
Fast, privacy-first online SERP & social preview tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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SQL formatter & beautifier
Fast, privacy-first online SQL formatter & beautifier tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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SQL Query Formatter & Beautifier
Paste a messy SQL query and get it reformatted with clause line breaks, indentation, and uppercase keywords, entirely client-side.
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SSL CSR & private key generator
Free client-side SSL CSR & private key generator web utility.
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SVG icon search across open icon sets
Free client-side SVG icon search across open icon sets web utility.
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SVG to PNG, Data URI & React JSX Converter
Convert vector SVG into high-resolution PNG images (1x to 8x), CSS Base64 Data URIs, and React JSX components. 100% client-side rasterization.
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Temporary File Sharing Tool
Free client-side temporary file sharing tool. Encrypt files with AES-256-GCM, generate zero-knowledge URL hash share links, or export standalone self-decrypting packages.
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Text diff & comparison
Fast, privacy-first online Text diff & comparison tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Text encryption & decryption tool
Free client-side Text encryption & decryption tool web utility.
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Text-to-diagram generator (Mermaid/PlantUML/Graphviz)
Free client-side Text-to-diagram generator (Mermaid/PlantUML/Graphviz) web utility.
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Unix timestamp converter
Convert Unix epoch timestamps in seconds and milliseconds to human-readable ISO 8601, UTC, and local date/time. Features live ticking clock and relative time ago.
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URL Parser & Query String Builder
Break a URL down into protocol, host, path, and query parameters, then add, edit, or remove parameters and get a correctly-encoded URL back.
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URL Slug & Clean Filename Sanitizer
Transform titles, article headlines, and dirty strings into clean, SEO-optimized URL slugs and safe filenames with diacritic stripping, custom word delimiters, and stop-word removal.
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US address validator & autocomplete
Free client-side US address validator & autocomplete web utility.
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WCAG 2.2 Color Contrast & Accessible Palette Checker
Audit foreground and background color contrast ratios against WCAG 2.2 Level AA (4.5:1) and AAA (7.0:1) standards with live simulated Protanopia, Deuteranopia, and Tritanopia colorblindness filters.
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Website authority & page rank checker
Free client-side Website authority & page rank checker web utility.
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Website carbon footprint calculator
Free client-side Website carbon footprint calculator web utility.
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Website favicon finder & downloader
Free client-side Website favicon finder & downloader web utility.
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Website metadata & link preview generator
Free client-side Website metadata & link preview generator web utility.
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Website Screenshot Generator & Device Mockups
Create browser window captures and responsive mobile device mockups with customizable background gradients for presentations, portfolios, and social cards.
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Website Security Header Scanner & CSP Analyzer
Audit HTTP response headers, evaluate CSP & HSTS security postures against OWASP standards, and generate drop-in Nginx, Apache, and Helmet.js rules.
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What3Words address converter
Free client-side What3Words address converter web utility.
Money & finance
83 tools-
Amazon FBA Fee & Profit Margin Calculator
Calculate your Amazon FBA referral fee, fulfillment fee, net profit per unit, profit margin, and ROI — every fee is an editable estimate you can match to your own current rate card.
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Amazon FBA vs FBM Margin Comparator
Compare your per-unit profit and margin selling on Amazon via FBA versus merchant-fulfilled FBM, side by side.
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Best Buy price & availability checker
Free client-side Best Buy price & availability checker web utility.
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Break-Even Sales & Units Calculator
Calculate exactly how many units and how much revenue you need to cover fixed costs and break even, plus how many months it will take at your expected sales rate.
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Business Valuation Calculator
Estimate a business enterprise and equity value from its earnings, a valuation multiple you provide, cash, and debt.
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Capital Gains Tax & Net Profit Calculator
Calculate your federal capital gains tax on stocks, crypto, and real estate. Compare short-term vs long-term tax rates, NIIT surcharges, and net profit.
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Car depreciation calculator
Calculate vehicle depreciation over 1 to 10 years. Predict residual car value, total depreciation lost, cost per mile, and year-by-year resale value curves.
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Car finance / PCP
Compare PCP, Hire Purchase, and a bank loan side by side for the same car: monthly payment, total interest, and total payable, with an editable balloon payment for PCP.
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Car vs public transport comparator
Compare the total cost of car ownership against public transit. Includes loan payments, insurance, depreciation, transit passes, rideshare, and 10-year investment potential.
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Carbon Footprint Calculator
Calculate annual personal greenhouse gas emissions (CO2e tonnes) across home energy, driving, flights, and diet with actionable offset recommendations.
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Charity & nonprofit lookup
Free client-side Charity & nonprofit lookup web utility.
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Commute cost calculator
Calculate your true daily and annual commute costs including fuel, parking, vehicle wear-and-tear, unpaid travel time, and equivalent remote work salary raise.
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Compound interest & growth
Calculate compounding investment growth, recurring monthly contribution returns, and future portfolio wealth over 10 to 30-year horizons.
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Compound interest growth visualizer
Project compound growth over time with contributions, rates and inflation.
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Concert & event ticket price comparator
Free client-side Concert & event ticket price comparator web utility.
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Credit Card Payoff & Debt Free Calculator
Calculate how fast you can pay off credit card debt. Compare the minimum payment trap against fixed monthly contributions to save thousands in interest.
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Crypto profit & DCA
Simulate recurring weekly and monthly cryptocurrency Dollar-Cost Averaging (DCA) investment strategies with compounding returns and target profit milestones.
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Crypto Staking & APY Reward Calculator
Calculate compounded staking rewards from a nominal APR and compounding frequency, see the true effective APY, and optionally convert to a fiat value using your own price estimate.
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Crypto Tax Liability Calculator
Calculate capital gains tax liability on cryptocurrency trades using short-term vs long-term rates, trade fee deductions, and net loss harvesting offsets.
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Currency converter
Fast, privacy-first online Currency converter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Debt-to-income ratio calculator
Calculate your front-end and back-end debt-to-income (DTI) ratios. Check conventional, FHA, and VA mortgage approval limits with color-coded risk gauges.
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Dividend Yield & DRIP Compounder
Simulate year-by-year how reinvesting dividends (DRIP) compounds a portfolio compared to taking dividends as cash, from your starting investment, yield, and growth assumptions.
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Emergency fund calculator
Calculate your ideal emergency fund size based on essential monthly expenses, job stability, and family dependents. Includes high-yield savings timeline.
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Equipment ROI & Lease vs Buy Calculator
Compare net present value (NPV), after-tax cash flows, depreciation shields, and breakeven costs of leasing vs purchasing commercial business equipment.
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Ethereum address & transaction explorer
Free client-side Ethereum address & transaction explorer web utility.
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EU VAT number validator
Free client-side EU VAT number validator web utility.
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Fair rent room splitter
Split shared rent fairly by room size, features and occupancy.
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Freelance day rate
Calculate sustainable daily and hourly freelance billing rates based on annual net income targets, business expenses, taxes, and realistic billable working days.
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Freelance Project Quote Generator
Generate detailed freelance project proposals, scope of work line items, milestone payment schedules, and contingency buffers with one-click export.
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Freelance tax set-aside calculator
Calculate exactly how much to set aside from every freelance invoice for self-employment tax, federal/state income taxes, and quarterly IRS estimates.
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Global company registry search
Free client-side Global company registry search web utility.
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Gold & Precious Metals Scrap Value Calculator
Calculate melt value and an estimated scrap offer for gold, silver, or platinum from weight, purity, and a spot price you enter.
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IBAN & SWIFT/BIC validator
Free client-side IBAN & SWIFT/BIC validator web utility.
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Inflation & Purchasing Power Calculator
Calculate how inflation erodes purchasing power and future living costs across global currencies.
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Inflation calculator (past & future)
Calculate historical inflation from 1950 to 2024 using official BLS CPI data and forecast future purchasing power erosion over 1 to 30 years.
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Insurance deductible calculator
Calculate if raising your insurance deductible is worth it. Compare premium savings vs deductible risk, calculate breakeven months, and model multi-year claim scenarios.
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International Wire Transfer & FX Fee Calculator
Enter the mid-market rate and your bank's offered rate to see the hidden exchange-rate markup cost, plus wire and intermediary fees, and your real effective rate.
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Invoice Late Payment Interest & Statutory Compensation Calculator
Calculate statutory interest, daily late fees, and fixed legal debt recovery compensation for unpaid commercial B2B invoices (UK, EU & US).
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Job skills & title taxonomy explorer
Explore standardized occupational titles, core technical competencies, BLS salary benchmarks, and interactive career transition skill-gap matrix.
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Kelley Blue Book vehicle value estimator
Free client-side Kelley Blue Book vehicle value estimator web utility.
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Margin vs Markup Profit Calculator
Calculate profit margin and markup from cost and price, and work backwards to the price needed for a target margin or markup.
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Marketing agency finder
Free client-side Marketing agency finder web utility.
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Marketplace seller fee comparator
Free client-side Marketplace seller fee comparator web utility.
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Meeting cost calculator
Calculate the true financial and opportunity cost of corporate meetings. Features live second-by-second cost stopwatch, recurring annual cost, and meeting ROI auditor.
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Mortgage & loan repayment
Fast, privacy-first online Mortgage & loan repayment tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Mortgage & loan repayment
Monthly repayments, total interest and a full amortisation schedule.
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Mortgage Extra Payment Simulator
Simulate extra monthly principal payments on a mortgage to see how much interest and time you would save, calculated month by month.
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Overpay mortgage vs invest
Compare paying off your mortgage early against investing extra cash in index funds. Calculate net wealth, interest saved, and breakeven return rates.
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Overtime pay calculator
Calculate your gross weekly paycheck factoring in standard hours, 1.5x time-and-a-half overtime, and 2.0x double-time holiday wage rates.
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Pension Drawdown & Retirement Pot Longevity Calculator
Calculate retirement withdrawal rates, pot longevity, and 4% safe withdrawal sustainability across global currencies.
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Pension drawdown simulator
Model pension pot drawdown, sustainable withdrawal rates and depletion age.
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Personal Net Worth & Balance Sheet Calculator
Add up your assets and liabilities by category to calculate your personal net worth, with a breakdown of what makes up each side of the balance.
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Profit margin & break-even
Calculate unit contribution margins, gross profit ratios, and the minimum monthly sales volume and revenue required to cover fixed overhead and achieve profitability.
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Receipt & invoice data extractor
Free client-side Receipt & invoice data extractor web utility.
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Recurring Subscription Cost Audit Calculator
Audit monthly streaming, SaaS, and gym subscriptions to calculate lifetime costs.
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Rent affordability & split
Fast, privacy-first online Rent affordability & split tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Rent vs buy calculator
Calculate whether it is cheaper to rent or buy a home. Simulates mortgage amortization, property appreciation, tax, maintenance, and investment opportunity cost.
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Rental Property Cap Rate & Cash Flow Calculator
Calculate Net Operating Income, Cap Rate, annual cash flow, and Cash-on-Cash Return for a rental property from price, rent, expenses, and financing.
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Rental yield calculator
Calculate gross rental yield, net rental yield, monthly net cash flow, and cash-on-cash return for buy-to-let property investments.
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Restaurant Tip & Bill Split Calculator
Calculate a tip amount, the total bill including tax, and an even per-person share for any group size, with common tip-percentage presets.
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Reverse VAT & Sales Tax Calculator
Enter a tax-inclusive or tax-exclusive price and get the net amount, the exact tax amount, and the gross price for any VAT or sales tax rate.
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SaaS Churn Rate & Customer Lifetime Value (LTV / CAC) Calculator
Calculate SaaS MRR, customer logo vs revenue churn rates, ARPU, Customer Lifetime Value (LTV), CAC payback periods, and evaluate your 3:1 LTV-to-CAC unit economics health ratio.
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Salary negotiator & market rate
Calculate cost-of-living salary parity between cities and simulate counter-offers. Compare base salary, equity grants, and bonus for total compensation.
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Salary to Hourly Wage & Overtime Calculator
Convert an annual salary into hourly, daily, weekly, bi-weekly, and monthly rates, and calculate 1.5x or 2x overtime pay for extra hours worked.
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Sanctions & Watchlist Screening Tool
Free client-side AML/KYC sanctions screening engine. Screen entity names, maritime vessels, and crypto wallets against OFAC, EU, UK, and UN watchlists.
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Savings Goal & Compound Wealth Planner
Calculate required monthly savings contributions to hit financial goals with compound interest across global currencies.
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Savings goal calculator
Calculate how much you need to save each month to reach your financial goal. Reverse-engineers contributions with compound interest, starting balance, and growth charts.
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Side hustle & gig income tracker
Fast, privacy-first online Side hustle & gig income tracker tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Side Hustle Hourly Rate & Net Profit Calculator
Calculate your true take-home hourly wage from side gigs, factoring in unbillable admin hours, platform fees, operating expenses, and self-employment taxes.
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Sinking Fund & Future Expense Planner
Work out the monthly amount you need to save, with compound growth, to hit a future savings target by a set number of months from now.
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Stamp duty / land tax calculator
Calculate Stamp Duty Land Tax (SDLT), Scottish LBTT, and Welsh LTT for first-time buyers, home movers, and buy-to-let second homes. Updated with latest Autumn Budget rates.
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Stock price & company fundamentals lookup
Free client-side Stock price & company fundamentals lookup web utility.
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Stripe & PayPal Fee Calculator
Compare payment processing fees, net take-home pay, and required gross billing across currencies.
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Stripe & PayPal Payment Processing Fee Calculator
Calculate exact transaction processing fees across Stripe, PayPal, Square, and Shopify Payments, and determine the exact invoice total needed to receive a target net payout.
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Student Loan Repayment & Interest Calculator
Plan your student debt payoff strategy. Compare standard amortization against accelerated extra payments to calculate total interest, payoff years, and debt freedom date.
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Subscription Stack Optimizer
Audit recurring subscriptions, detect overlapping services, calculate monthly savings, and project 5-20 year compound wealth if invested in index funds.
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Take-home pay / income tax
Calculate your true net take-home paycheck after income taxes, pension deductions, and payroll withholding broken down into monthly and bi-weekly pay periods in multiple currencies.
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Tip & bill splitter
Fast, privacy-first online Tip & bill splitter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Trademark Search & Clearance Tool
Free client-side trademark distinctiveness evaluation, Nice Classification mapping, DuPont confusion risk analysis, and official registry search links.
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UK company search & registry lookup
Free client-side UK company search & registry lookup web utility.
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US economic indicator dashboard
Free client-side US economic indicator dashboard web utility.
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US federal government job search
Free client-side US federal government job search web utility.
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VAT / sales tax
Fast, privacy-first online VAT / sales tax tool. 100% in-browser client-side execution with zero signups and zero data tracking.
Reference
73 tools-
AI regulation law tracker
Free client-side AI regulation law tracker web utility.
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Aircraft registration lookup
Free client-side Aircraft registration lookup web utility.
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Airline baggage allowances
Compare cabin carry-on dimensions, under-seat personal item limits, and checked luggage weight restrictions across 40+ international airlines.
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Auto Body Shop Finder & Collision Estimator
Locate certified I-CAR and OEM auto body repair shops, calculate collision repair costs, and review insurance claims.
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Aviation weather briefing lookup
Free client-side Aviation weather briefing lookup web utility.
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Baby name popularity lookup
Explore baby name popularity trends over the last 70 years (1950–2024). Search by name, gender, origin, and meaning with historical ranking sparklines.
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Baking & Cooking Ingredient Substitution Finder
Emergency culinary substitutions for eggs, buttermilk, baking powder, sugars, and dairy.
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Book cover & metadata lookup
Free client-side Book cover & metadata lookup web utility.
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Car OBD-II fault codes
Lookup check engine light OBD-II fault codes, understand Diagnostic Trouble Code (DTC) descriptions (P, C, B, U), identify root causes, and evaluate repair urgency.
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City Quality of Life & Cost of Living Comparator
Benchmark world metropolises across purchasing power, safety indices, healthcare standards, monthly rent, and calculate salary relocation equivalence.
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Country Currency & Electrical Plug Guide
Look up electrical socket plug types (A-N), mains voltage, and currencies for 195+ countries worldwide.
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Country travel data
Fast, privacy-first online Country travel data tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Dialling code & area code finder
Fast, privacy-first online Dialling code & area code finder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Elevation & Ocean Depth Lookup
Free global elevation and ocean depth lookup. Explore Earth's hypsographic curve, convert meters to feet, calculate high-altitude boiling point, and inspect hadal trench water pressure.
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Emoji, symbol & Unicode
Fast, privacy-first online Emoji, symbol & Unicode tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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EV charging station finder
Free client-side EV charging station finder web utility.
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FAA Aeronautical Charts & Airport Directory Lookup
US airport runway directory, ATC communication frequencies, VFR sectional chart symbology, and aerodynamic crosswind computer.
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Flight Carbon Footprint & Offset Calculator
Calculate aviation CO2 emissions per passenger and trees required to offset flight emissions.
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Font pairing library
Fast, privacy-first online Font pairing library tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Global Bike Share Station Finder & Dock Availability
Find bike share stations, check live available bikes and empty docks, and calculate commute carbon savings across global cities.
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Golden Hour & Blue Hour Photography Calculator
Calculate morning and evening natural lighting golden hour and blue hour photography windows.
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Google Books search & preview lookup
Free client-side Google Books search & preview lookup web utility.
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Great Circle Flight Distance Calculator
Calculate great circle nautical miles, kilometers, and flight durations between coordinates.
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Ham Radio Callsign Lookup & FCC Database
Lookup FCC amateur radio callsigns, license classes, grid squares, NATO phonetic alphabets, Morse code, and ITU country prefix allocations.
-
Healthcare provider NPI lookup
Free client-side Healthcare provider NPI lookup web utility.
-
Historic Newspaper Archive Search & Directory
Search historical newspaper collections, Library of Congress Chronicling America archives, state press directories, and date ranges.
-
Hotel & restaurant ratings lookup
Free client-side Hotel & restaurant ratings lookup web utility.
-
Inclusive Restroom Locator
Find safe, all-gender, single-occupancy, and ADA wheelchair-accessible restrooms with directions in public buildings and transit hubs.
-
International Calling Codes Directory
Search international country telephone dialling codes, exit prefixes, and emergency numbers worldwide.
-
International Tipping Customs Guide by Country
Country-by-country tipping customs, taxi gratuity, and restaurant tipping standards.
-
Internet Archive Search & Wayback Explorer
Search public domain texts, vintage software emulations, audio recordings, historical video, and Wayback Machine snapshots.
-
INTERPOL Red Notice Search & Directory
Free INTERPOL Red Notice lookup. Search international public notices, verify requesting National Central Bureaus, and learn the 8-color international notice system.
-
Jet Lag Circadian Sleep Shift Planner
Enter your usual bedtime, time zones crossed, and days before departure to get a day-by-day pre-flight bedtime schedule for adjusting to jet lag.
-
Keyboard shortcut reference
Fast, privacy-first online Keyboard shortcut reference tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Live Earthquake Tracker & Seismic Monitor
Monitor global seismic tremors in real time with 2D tectonic world mapping, focal depth profiling, tsunami alert status, and moment magnitude energy equivalence calculations.
-
Live weather radar viewer
Free client-side Live weather radar viewer web utility.
-
Live wildfire tracker
Free client-side Live wildfire tracker web utility.
-
Makeup & cosmetics ingredient lookup
Analyze cosmetic formulations, decode INCI ingredient labels, check safety hazard ratings, and evaluate comedogenic acne scores.
-
Marine & surf forecast tool
Free client-side Marine & surf forecast tool web utility.
-
News archive search by topic & date
Free client-side News archive search by topic & date web utility.
-
Nobel Prize winner search
Free client-side Nobel Prize winner search web utility.
-
On this day in history
Fast, privacy-first online On this day in history tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Packing Checklist & Luggage Weight Estimator
Estimate total suitcase luggage weight and ensure compliance with 23 kg (50 lb) airline limits.
-
Passport & Visa Photo Size Standards Guide
Official pixel and millimeter photo dimensions for US, UK, Schengen EU, Canada, and India passports.
-
Persian poetry lookup (Ganjoor)
Free client-side Persian poetry lookup (Ganjoor) web utility.
-
Pet breed comparison & selector
Fast, privacy-first online Pet breed comparison & selector tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Phone specs lookup & comparison
Compare mobile device specifications side by side.
-
Place Name & Gazetteer Search
Free worldwide place name and gazetteer lookup. Search global cities, mountains, rivers, and landmarks with exact coordinates, elevation, population, and toponymic roots.
-
Plant problem diagnoser
Identify houseplant ailments, diagnose overwatering and light deficiencies, and restore your houseplants to healthy growth with care triage steps.
-
Postcode / ZIP Lookup & Distance
Free client-side postcode and ZIP code distance calculator. Calculate straight-line, driving estimates, and radius proximity matrix.
-
Public Domain E-Book Search & Reader
Free client-side catalog search and in-browser EPUB/text reader for classic public domain books and literature.
-
Public holiday calendar & counter
Fast, privacy-first online Public holiday calendar & counter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Schengen 90/180-Day Visa Calculator
Calculate multi-trip Schengen visa-free stay days against rolling 180-day limits.
-
Shoe & Clothing Size Converter
Convert shoe and apparel sizes between US, UK, European, and Japanese CM metrics.
-
Sports rules & scoring explainer
Quick-reference rules and scoring guide explaining Tennis game points, Rugby tries, Cricket overs, Basketball shot clocks, and American Football downs.
-
Suit, Jacket & Hat Size Conversion Chart
Convert a US/UK suit or jacket size to its EU equivalent, and convert head circumference to a hat size in US numbering, centimeters, and general S/M/L/XL.
-
Travel safety score checker
Free client-side Travel safety score checker web utility.
-
Travel Visa Requirement Checker
Check international entry visa requirements, visa-free stay limits, electronic travel authorizations (ESTA/ETIAS/ETA), and 6-month passport validity rules.
-
TV Show Schedule & Episode Guide Lookup
Comprehensive season episode synopses, weekly primetime broadcast timetable, and series binge-watching time calculator.
-
UK Crime Statistics by Area & Postcode Safety Explorer
Explore open neighborhood crime figures, compare constabulary rates per 1,000 residents, and inspect police outcome resolutions.
-
UK Food Hygiene Rating Checker
Free UK Food Hygiene Rating (FHRS) checker. Search Food Standards Agency scores (0-5 stars) across UK restaurants, takeaways, and pubs with detailed 3-pillar inspection reports.
-
Universal package tracking tool
Free client-side Universal package tracking tool web utility.
-
UPC/barcode product lookup
Free client-side UPC/barcode product lookup web utility.
-
US Census & Demographic Lookup
Free US Census demographic lookup. Explore official population, median income, poverty rates, education levels, and home values across all 50 states with side-by-side comparisons.
-
US National Park info & visitor guide
Free client-side US National Park info & visitor guide web utility.
-
US Patent Search & Prior Art Explorer
Search landmark patents, construct boolean prior art queries for USPTO and Google Patents, and explore CPC technology classifications.
-
US River & Lake Water Level Checker
Real-time USGS streamflow monitor, gauge height reader, flood stage advisory classifier, and water volumetric discharge unit converter.
-
VIN recall & complaint checker
Free client-side VIN recall & complaint checker web utility.
-
Visa & entry requirements
Fast, privacy-first online Visa & entry requirements tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
WiFi Channel & Interference Guide
Find the best Wi-Fi channels for 2.4 GHz and 5 GHz bands. Compare non-overlapping channels, channel bonding widths (20/40/80/160 MHz), and solve interference.
-
Wikidata knowledge graph search
Free client-side Wikidata knowledge graph search web utility.
-
World Plug & Socket Types Reference Guide
Visual voltage (110V vs 230V) and electrical plug socket type guide (Type A through G).
-
World Time Zone Meeting Planner
Pick a date, time and home city to see the local time in 9 major world cities at once, and how many fall within working hours, for scheduling meetings across time zones.
Hobby
59 tools-
Amiibo collection checklist
Free client-side Amiibo collection checklist web utility.
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Animal migration tracker
Free client-side Animal migration tracker web utility.
-
Anime & manga search
Free client-side Anime & manga search web utility.
-
Anime scene finder from screenshot
Free client-side Anime scene finder from screenshot web utility.
-
Aquarium Stocking & Bioload Calculator
Calculate aquarium fish stocking limits, water volume in gallons/litres, and filtration bioload.
-
Aquarium stocking planner
Fast, privacy-first online Aquarium stocking planner tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Bird Song & Call Database
Free client-side bird song and call acoustic field guide, phonetic mnemonics, Web Audio synthesizer, and ear-birding quiz.
-
Board Game Multi-Player Scorekeeper
Keep round scores and live leaderboard rankings for up to 6 players.
-
Board game score & turn tracker
Fast, privacy-first online Board game score & turn tracker tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Board Game Search & Ratings Lookup
Free client-side board game database with BGG community ratings, complexity weight ratings, optimal player counts, and mechanics filters.
-
Camera Depth of Field & Hyperfocal Calculator
Calculate hyperfocal distance, near focus limit, and far limit depth of field.
-
Camera exposure simulator
Fast, privacy-first online Camera exposure simulator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Chart maker from pasted data
Fast, privacy-first online Chart maker from pasted data tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Chess tournament calendar
Free client-side Chess tournament calendar web utility.
-
Chess.com Player Stats Lookup
Free client-side Chess.com profile and rating lookup across Blitz, Bullet, Rapid, and Daily modes with win rate records and FIDE comparisons.
-
Color Blindness Vision Simulator
Simulate UI color palettes under Protanopia, Deuteranopia, Tritanopia, and Achromatopsia.
-
Concert & tour date finder
Browse verified world tours and music festival dates, search live artist itineraries with Bandsintown, and estimate door-to-door trip budgets.
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Craft brewery & cidery finder
Free client-side Craft brewery & cidery finder web utility.
-
Cross-media recommendation engine
Free client-side Cross-media recommendation engine web utility.
-
D&D 5e spell & monster reference lookup
Free client-side D&D 5e spell & monster reference lookup web utility.
-
D&D Polyhedral Dice Roller & Probability Matrix
Roll virtual RPG dice (d4, d6, d8, d10, d12, d20, d100) with modifier math and statistical distribution.
-
Disc Golf Course Finder
Free client-side disc golf course finder, difficulty filter, and 4-number flight rating trajectory simulator.
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Discogs vinyl & release database lookup
Free client-side Discogs vinyl & release database lookup web utility.
-
F1 Live Timing & Race Data Viewer
Free client-side Formula 1 live timing screen, circuit telemetry profiles, and pit stop strategy simulation engine.
-
Family tree & timeline builder
Fast, privacy-first online Family tree & timeline builder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Free-to-play game finder
Free client-side Free-to-play game finder web utility.
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Gift finder by recipient & budget
Fast, privacy-first online Gift finder by recipient & budget tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Guitar & bass tab finder
Browse curated guitar and bass tablatures, transpose chords and frets with capo adjustments, and search Songsterr community tabs.
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Guitar Chord & Music Key Transposer
Transpose chords and chord progressions across musical keys and capo positions.
-
Guitar chord & scale finder
Fast, privacy-first online Guitar chord & scale finder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Homebrew beer recipe calculator
Free client-side Homebrew beer recipe calculator web utility.
-
Internet radio station finder & player
Free client-side Internet radio station finder & player web utility.
-
ISS Live Tracker & Overhead Pass Predictor
Real-time International Space Station orbital telemetry, 2D world map ground track simulator, and visible overhead pass prediction calculator.
-
Knitting & Crochet Gauge Converter
Calculate adjusted stitch counts and garment sizing from gauge swatches.
-
Knitting & sewing pattern maths
Fast, privacy-first online Knitting & sewing pattern maths tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
League of Legends player stats lookup
Free client-side League of Legends player stats lookup web utility.
-
Lichess puzzle of the day & player stats
Free client-side Lichess puzzle of the day & player stats web utility.
-
Live Flight Tracker Map & Air Traffic Radar
Interactive air traffic control radar canvas, real-time aircraft telemetry, and transponder squawk decoder.
-
Magic: The Gathering card search & price lookup
Free client-side Magic: The Gathering card search & price lookup web utility.
-
Mind map & flowchart builder
Fast, privacy-first online Mind map & flowchart builder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Minecraft Server Status Checker & MOTD Formatter
Free Minecraft server status checker and MOTD renderer. Check Java and Bedrock server uptime, protocol versions, latency, player limits, and design color-coded MOTDs.
-
MLB & NHL Historical Stats & Records Lookup
Search MLB World Series and NHL Stanley Cup champions, compare all-time player stats, and explore franchise records client-side.
-
Museum art search & explorer
Free client-side Museum art search & explorer web utility.
-
Music metadata & discography lookup
Explore artist discographies, album track counts, MusicBrainz MBID identifiers, release chronologies, and audio tagging standards.
-
Music scrobble stats & similar-artist lookup
Free client-side Music scrobble stats & similar-artist lookup web utility.
-
NASA Astronomy Picture of the Day & Cosmos Explorer
Discover iconic deep-space photographs, James Webb Space Telescope discoveries, solar system panoramas, and annual stargazing celestial events.
-
NBA Stats & Live Score Tracker
Free client-side NBA live scoreboard simulator, quarter box score visualizer, conference standings, and player comparison matrix.
-
Pinball machine finder
Free client-side Pinball machine finder web utility.
-
Plant care schedule & reminder
Fast, privacy-first online Plant care schedule & reminder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Pokédex lookup tool
Free client-side Pokédex lookup tool web utility.
-
Recipe scaler & converter
Fast, privacy-first online Recipe scaler & converter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Rocket launch tracker & countdown
Free client-side Rocket launch tracker & countdown web utility.
-
Satellite Pass Tracker & TLE Orbital Predictor
Calculate visible satellite passes, orbital passes, azimuth, elevation, and ground tracks for ISS, Hubble, Starlink, and weather satellites with real-time pass predictions.
-
Sky & astronomy event tracker
Fast, privacy-first online Sky & astronomy event tracker tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Steam library & achievement viewer
Free client-side Steam library & achievement viewer web utility.
-
TV & movie watch tracker
Free client-side TV & movie watch tracker web utility.
-
Universal video game database search
Free client-side Universal video game database search web utility.
-
US recreation area & campsite finder
Free client-side US recreation area & campsite finder web utility.
-
Wine & food pairing
Discover sommelier-curated wine and food pairings balancing tannins, acidity, and sweetness for meats, seafood, pasta, and spicy dishes.
Education
45 tools-
Academic paper & citation search
Free client-side Academic paper & citation search web utility.
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Binary, Hexadecimal & Octal Converter
Convert between binary, octal, decimal, and hexadecimal live, in any direction, with support for arbitrarily large integers.
-
College & High School GPA Calculator
Calculate weighted and unweighted semester Grade Point Average (GPA) across credit hours.
-
Cooking & Baking Measurement Converter
Convert culinary measurements between cups, grams, tablespoons, teaspoons, and milliliters by ingredient density.
-
Driving Stopping Distance Calculator
Calculate driver thinking distance, vehicle braking distance, and total stopping feet by speed and road grip.
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Driving theory practice
Fast, privacy-first online Driving theory practice tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
European Public Transit Route Finder
Free European high-speed rail and intercity transit route planner with schedules, transfer points, and CO2 emissions comparisons.
-
Flashcards & spaced repetition
Fast, privacy-first online Flashcards & spaced repetition tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Fraction calculator
Calculate fraction addition, subtraction, multiplication, and division with step-by-step working. Converts between improper fractions, mixed numbers, and decimals.
-
Fraction Simplifier
Simplify a fraction to lowest terms, convert to a decimal and percentage, and find the least common denominator between two fractions.
-
Free Fall Calculator
Calculate free-fall time, impact velocity, and drop height from any one known value, using standard gravity.
-
Fuel Cost & Road Trip Cost Calculator
Calculate road trip fuel expenses, cost per mile/km, and per-passenger cost splits.
-
Fuel cost & trip cost
Fast, privacy-first online Fuel cost & trip cost tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Geometry Area & Perimeter Calculator
Calculate area and perimeter for rectangles, circles, triangles, and trapezoids.
-
GPA & exam grade
Fast, privacy-first online GPA & exam grade tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Grade curve & GPA predictor
Fast, privacy-first online Grade curve & GPA predictor tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
LaTeX Equation Renderer & Math Formula Exporter
Typeset mathematical equations into crisp SVG vector graphics, high-resolution PNG images, and native MathML with real-time preview and export.
-
Loan & student finance calculator
Fast, privacy-first online Loan & student finance calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Maths worksheet generator
Fast, privacy-first online Maths worksheet generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Matrix calculator
Fast, privacy-first online Matrix calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Matrix Determinant (2x2 & 3x3) Calculator
Enter a 2x2 or 3x3 matrix to calculate its determinant instantly, with the exact expansion shown step by step.
-
Metric Prefix & Scientific Notation Converter
Convert numbers between scientific notation, engineering notation, standard decimal form, and SI metric prefixes.
-
Movie & TV Show Info Lookup
Free movie and TV show lookup tool with ratings, release dates, directors, cast lists, plot synopses, and awards.
-
Percentage calculator
Fast, privacy-first online Percentage calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Percentage Calculator Suite
Calculate percentage of numbers, reverse percentages, and percentage increase or decrease.
-
Periodic Table Element Explorer
Inspect chemical elements, atomic numbers, molar mass, electron configurations, and standard states.
-
Pet Adoption Search & Compatibility Matcher
Free pet adoption search tool matching rescue dogs, cats, and small animals by temperament, space requirements, and annual care budget.
-
Programming cheat sheet hub
Fast, privacy-first online Programming cheat sheet hub tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Quadratic Equation Solver & Roots Calculator
Solve ax² + bx + c = 0 for any coefficients using the quadratic formula, with real or complex roots, the discriminant, and the vertex.
-
Right Triangle & Trigonometry Solver
Enter any two known sides or a side and an angle of a right triangle to solve for every side, angle, area, and perimeter.
-
Roman numeral converter
Fast, privacy-first online Roman numeral converter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Roman Numerals Converter & Parser
Convert standard Arabic numbers (1-3999) to Roman numerals and parse Roman numeral strings.
-
Scholarship finder
Free client-side Scholarship finder web utility.
-
Scientific calculator
Fast, privacy-first online Scientific calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Speed of Sound & Distance Calculator
Calculate temperature-adjusted speed of sound in air and compute lightning or echo distance.
-
Standard Deviation & Variance Calculator
Paste a list of numbers to get mean, sample and population variance, sample and population standard deviation, and range.
-
Statistics calculator
Calculate descriptive statistics from any dataset: Mean, Median, Mode, Standard Deviation, Variance, Quartiles (Q1, Q3), IQR, and Tukey outlier detection.
-
Step-by-step equation solver
Free client-side Step-by-step equation solver web utility.
-
Triangle solver
Fast, privacy-first online Triangle solver tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Typing speed test
Fast, privacy-first online Typing speed test tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Unit converter hub
Fast, privacy-first online Unit converter hub tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Universal Unit Converter Pro
High-precision universal conversion for length, mass, temperature, speed, area, volume, data storage, and pressure units.
-
University Search by Country & Domain Directory
Search global universities by country, verify official institutional domains, and explore accredited higher education portals worldwide.
-
US College Cost & Outcomes Comparator
Compare published tuition against real net price, completion rates, 10-year alumni earnings, and median student debt across top US colleges.
-
WolframAlpha computational query tool
Free client-side WolframAlpha computational query tool web utility.
Writing
44 tools-
Book Word Count to Pages Estimator
Convert a manuscript word count into estimated page counts for manuscript submission format, mass market paperback, trade paperback, and hardcover.
-
Business name generator
Fast, privacy-first online Business name generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Contract & NDA templates
Generate customized mutual and unilateral Non-Disclosure Agreements (NDAs) with custom confidentiality terms and governing jurisdictions in clean Markdown.
-
Cover & reference letter builder
Fast, privacy-first online Cover & reference letter builder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
CV / resume builder
Fast, privacy-first online CV / resume builder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Email signature generator
Design beautiful, responsive HTML email signatures for Gmail, Outlook, and Apple Mail. Features logo/photo uploads, social media links, corporate templates, and 1-click copy.
-
Email Spam Keyword Trigger Checker
Check email subject lines and copy for spam trigger words and calculate inbox deliverability scores.
-
Email Subject Line & Preheader Preview Tester
Test email subject line length and preheader preview text against mobile iPhone Mail, Gmail, and Outlook truncation boundaries to maximize email open rates.
-
Email subject line tester
Fast, privacy-first online Email subject line tester tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Facebook Post & Ad Copy Text Styler
Formats text for Facebook Group posts, Marketplace listings, and Ads with bold Unicode typography and ad headline truncation checking.
-
Flesch-Kincaid Readability & Grade Analyzer
Paste any text to get its Flesch Reading Ease score, Flesch-Kincaid Grade Level, and sentence/word/syllable counts, calculated entirely in your browser.
-
Freelance & Business Invoice Generator Pro
Generate clean, professional, multi-currency client invoices with tax and print PDF export.
-
Google & Meta Ad Copy Character Limit Validator
Validate character constraints for Google Responsive Search Ads (RSA 30-char headlines, 90-char descriptions), Meta Feed Ads, and LinkedIn campaigns with zero overflow policy errors.
-
Google SERP Title & Snippet Previewer
Preview how your page title and meta description will look in Google search results, with real pixel-width measurement to flag truncation before you publish.
-
Headline Analyzer & CTR Scorer
Score your blog titles, articles, and email subject lines (0–100). Analyzes power words, emotional triggers, word balance, character lengths, and SERP scanability.
-
Instagram Caption Spacer & Aesthetic Font Styler
Inserts invisible zero-width line breaks (no messy dots needed), formats aesthetic Unicode fonts, and tracks the 30-hashtag limit.
-
Invoice generator
Fast, privacy-first online Invoice generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
KDP self-publishing niche research tool
Free client-side KDP self-publishing niche research tool web utility.
-
Keyword Density & N-Gram Frequency Counter
Audit SEO text for optimal keyword frequency, calculate unigram/bigram density percentages, and prevent algorithmic search engine keyword stuffing penalties.
-
Keyword density analyzer
Fast, privacy-first online Keyword density analyzer tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Letter of Recommendation Draft Generator
Generate structured professional and academic recommendation letters with customized traits.
-
Lexical Diversity & Unique Word Analyzer
Measures vocabulary richness, Type-Token Ratio (TTR), unique vs total words, and highlights repetitive words for authors and essayists.
-
LinkedIn Post Formatter & '...see more' Previewer
Format LinkedIn posts with bold and italic Unicode text, inspect the exact mobile and desktop '...see more' cutoff fold, and optimize hook click-throughs.
-
Meme & quote card generator
Fast, privacy-first online Meme & quote card generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Podcast Script Timing & Spoken Pace Calculator
Paste your script to see its word count and estimated spoken duration at your chosen speaking pace, plus a comparison across slow, conversational, and fast paces.
-
Poetry search & explorer
Free client-side Poetry search & explorer web utility.
-
Privacy policy & terms generator
Generate customized, GDPR and CCPA-compliant privacy notices and website terms of service in clean Markdown and HTML for privacy-first client-side web applications.
-
Privacy-First Resume & CV Builder
Build ATS-friendly, clean, multi-section resumes with work experience, education, and instant print/PDF export.
-
Proposal & quote template builder
Fast, privacy-first online Proposal & quote template builder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Read-aloud / text-to-speech reader
Fast, privacy-first online Read-aloud / text-to-speech reader tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Readability & Grade Level Scorer
Calculate Flesch Reading Ease and US school grade levels (Flesch-Kincaid) to ensure your articles, copy, and documentation remain clear, conversational, and accessible.
-
Readability & grammar scorer
Fast, privacy-first online Readability & grammar scorer tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Resume Action Verb Finder & Enhancer
Find powerful executive resume action verbs categorized by Leadership, Technical, and Communication.
-
Rhyming word finder
Find perfect rhymes and near slant rhymes filtered by syllable count. Built for songwriters, poets, lyricists, and copywriters with instant 1-click clipboard copy.
-
Sentence Variety & Cadence Analyzer
Paste your text to see each sentence's word count, plus the average, spread, and variety of your sentence lengths, a quick way to spot monotonous rhythm.
-
Speech & Presentation Duration Calculator
Calculate exact speaking delivery time in minutes and seconds for keynote speeches, podcast scripts, and pitch decks based on word count and speaking tempo.
-
Storyboard template generator
Fast, privacy-first online Storyboard template generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Syllable Counter & Haiku / Meter Validator
Automatically counts syllables per line using phonetic heuristics, validating 5-7-5 Haiku structure, iambic pentameter, and poem line pacing.
-
Targeted Cover Letter & Pitch Generator
Generate tailored job application cover letters with tone selection and achievements.
-
Twitter / X Thread Splitter & Numberer
Transform long articles, essays, and notes into numbered 280-character tweet threads with smart sentence boundary detection and 1-click clipboard copy.
-
Word & character counter
Fast, privacy-first online Word & character counter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Word Count to Printed Book & Paper Pages
Converts word counts into estimated printed pages based on font size (10pt, 12pt), typeface, line spacing, and trim size.
-
Word Frequency & Keyword Density Counter
Paste any text to see total and unique word counts, plus a ranked table of the most frequent words with their keyword density percentages.
-
YouTube Video SEO Tag Generator
Generate high-ranking YouTube video tags, keywords, and hashtags within the 500-character limit.
Files & media
41 tools-
AI background remover
Free client-side AI background remover web utility.
-
AI image upscaler
Free client-side AI image upscaler web utility.
-
Animated GIF Frame Rate & Size Estimator
Estimate animated GIF byte size, frame count, centisecond frame delays, and bandwidth vs WebP and MP4.
-
Aspect Ratio & Dimension Calculator
Calculate and simplify image and video aspect ratios (16:9, 4:3, 9:16, 21:9). Solve for missing width or height with locked proportional scaling.
-
Audio Bitrate & File Size Estimator
Estimate audio file sizes for MP3, WAV, FLAC, and AAC by duration and bitrate.
-
Audio Sample Rate & WAV File Size Calculator
Calculate the exact uncompressed WAV file size from sample rate, bit depth, channels, and duration, plus a typical FLAC size range.
-
Audio trimmer & joiner
Trim, cut, and join audio files client-side using Web Audio API. Set start and end points, apply fade-ins, and export clean WAV clips without uploading files.
-
Data Transfer Time & Bandwidth Calculator
Calculate file download and upload duration across broadband and fiber internet speeds.
-
Data usage / bandwidth calculator
Fast, privacy-first online Data usage / bandwidth calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
DPI / PPI Print Resolution Calculator
Calculate physical print size in inches and cm from pixel dimensions at 300, 150, and 72 DPI.
-
Favicon & app icon generator
Generate production-ready favicons and mobile app icons (16x16, 32x32, 180x180 Apple Touch, 192x192 Android) client-side with complete HTML snippet tags.
-
File size & download time calculator
Fast, privacy-first online File size & download time calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
File Transfer Time Calculator
Enter a file size and connection speed to calculate how long an upload or download will take, correctly handling bits vs bytes.
-
Free stock photo search
Free client-side Free stock photo search web utility.
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GIF search tool
Free client-side GIF search tool web utility.
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HEIC to JPG converter
Fast, privacy-first online HEIC to JPG converter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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HTML/URL to PDF converter
Free client-side HTML/URL to PDF converter web utility.
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Image Aspect Ratio & Crop Calculator
Calculate pixel crop dimensions, center crop coordinates, and resize scales for any aspect ratio.
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Image compress & resize
Fast, privacy-first online Image compress & resize tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Metadata & EXIF viewer / stripper
View hidden EXIF camera metadata, GPS location coordinates, and exposure settings. Strip personal tracking metadata client-side before sharing photos online.
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OCR text extraction tool
Free client-side OCR text extraction tool web utility.
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PDF compress
Fast, privacy-first online PDF merge / split / compress tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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PDF Page Count & Print Cost Estimator
Estimate print page counts, paper reams, physical weight in GSM/lbs, spine thickness, and commercial printing costs.
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PDF split & extract pages
Split PDF files into individual pages or extract specific page ranges directly in your browser. 100% private, client-side execution with zero server uploads.
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PDF watermark & page number tool
Fast, privacy-first online PDF watermark & page number tool tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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QR code generator
Fast, privacy-first online QR code generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Screen PPI & Pixel Density Calculator
Calculate a screen exact pixels-per-inch (PPI), dot pitch, and the retina viewing distance from its resolution and size.
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Screen recorder (browser-based)
Fast, privacy-first online Screen recorder (browser-based) tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Social image resizer
Fast, privacy-first online Social image resizer tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Social Media Image Dimensions Guide
Official image pixel dimensions and text safe zones for YouTube, Instagram, X, and LinkedIn.
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Sound Decibel (dB) Distance Dropoff Calculator
Calculate sound pressure level (dB SPL) dropoff over distance using the inverse square law.
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Subtitle & SRT Caption CPS Validator
Audits SRT subtitle line lengths (max 37–42 chars) and reading speed (max 15–20 Characters Per Second / CPS) against BBC & Netflix standards.
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Subtitle format converter
Fast, privacy-first online Subtitle format converter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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SVG editor & optimiser
Clean and minify SVG vector code client-side. Remove bloated XML doctypes, metadata, editor namespaces, and comments to shrink file size for web production.
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Teleprompter Scroll Speed & Time Estimator
Calculates optimal teleprompter scroll speed (WPM), timing per script paragraph, and total recording duration for video creators.
-
Text to speech / speech to text
Fast, privacy-first online Text to speech / speech to text tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Vector File Format Converter
Free client-side vector format converter and SVG optimizer with High-Res PNG, WebP, JPEG, Vector PDF, EPS, and Data URI export.
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Video Bitrate & Storage Calculator
Calculate video recording storage requirements and SD card capacities for 4K and 1080p codecs.
-
Video Storage & CCTV NVR Drive Calculator
Calculate CCTV NVR hard drive storage, network ingest bandwidth, and RAID drive configurations.
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Video trim / convert / to GIF
Fast, privacy-first online Video trim / convert / to GIF tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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YouTube Title, Description & Chapter Timestamp Meter
Visualizes 100-char title limit, 70-char mobile truncation cutoff, 5,000-char description space, and validates 00:00 chapter timestamps.
Health
41 tools-
1-Rep Max (1RM) Weightlifting Calculator
Estimate your one-rep max from any weight and rep count using the Epley, Brzycki, and Lombardi formulas, plus a training percentage chart.
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Alcohol units & BAC estimate
Fast, privacy-first online Alcohol units & BAC estimate tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Athlete Sweat Rate & Electrolyte Calculator
Calculate your hourly sweat rate and estimated sodium loss from pre/post-exercise weight, fluid intake, and workout duration.
-
Baby growth percentile calculator
Calculate your baby's weight-for-age, length-for-age, and head circumference percentiles based on official World Health Organization (WHO) child growth standards.
-
Biological age estimator
Free client-side Biological age estimator web utility.
-
Blood Alcohol Content (BAC) & Sobriety Estimator
Estimate blood alcohol concentration (BAC) and time to reach sobriety using the Widmark formula based on drinks consumed, weight, and elapsed time.
-
Blood Type Compatibility Checker
Check blood transfusion compatibility for red blood cells and plasma. Includes Mendelian parental inheritance calculator, Punnett squares, and Rh pregnancy risk.
-
BMR & TDEE Daily Energy Expenditure Calculator
Calculate Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) using Mifflin-St Jeor and Katch-McArdle equations with activity multipliers.
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Body fat & lean mass
Fast, privacy-first online Body fat & lean mass tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Caffeine Half-Life & Sleep Impact Calculator
Calculate your active bloodstream caffeine level at bedtime using pharmacokinetics. Features dynamic exponential decay curve, safe cutoff times, and sleep disruption analysis.
-
Calorie, BMI & TDEE
Fast, privacy-first online Calorie, BMI & TDEE tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Daily Fiber & Micronutrient Benchmark Guide
Calculate age and sex-adjusted daily dietary fiber, potassium, magnesium, calcium, and essential micronutrient benchmarks.
-
Daily protein needs calculator
Calculate your optimal daily protein intake in grams and per-meal distribution based on body weight, fitness goal (hypertrophy, fat loss, maintenance), and whole food equivalents.
-
Daily Water Intake & Electrolyte Hydration Calculator
Calculate daily baseline water and electrolyte requirements in liters, ounces, and cups factoring in body weight, climate heat, and exercise sweat loss.
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Dog & Cat Age to Human Years Calculator
Convert pet chronological age into equivalent human biological age by breed size and life stage.
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Dog age & pet weight
Fast, privacy-first online Dog age & pet weight tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Ergonomic Desk & Chair Height Calculator
Get a recommended desk height, chair seat height, and monitor top height based on your own height.
-
Exercise & workout database lookup
Free client-side Exercise & workout database lookup web utility.
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Food Barcode & Ingredient Lookup
Free client-side food barcode and ingredient lookup with Nutri-Score, NOVA processing groups, allergen detection, and nutrition facts.
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Genetic condition & gene information lookup
Free client-side Genetic condition & gene information lookup web utility.
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Heart rate zone calculator
Fast, privacy-first online Heart rate zone calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Ideal Weight & Calorie Deficit Calculator
Calculate BMR, TDEE maintenance calories, ideal weight range, and safe calorie deficit targets.
-
Intermittent Fasting Schedule Planner
Enter your last meal time and a fasting protocol (16:8, 18:6, 20:4, or OMAD) to see your exact fasting and eating window times.
-
Macro & Calorie Deficit Planner
Calculate your BMR, TDEE, and a calorie target for fat loss, maintenance, or muscle gain, plus protein, fat, and carb targets in grams.
-
Macro & calorie meal planner
Fast, privacy-first online Macro & calorie meal planner tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Macro Calorie Deficit & TDEE Nutrition Calculator
Calculate Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), target calorie deficits, and daily macronutrient gram targets for fitness goals.
-
Medicare provider & cost lookup
Free client-side Medicare provider & cost lookup web utility.
-
Medication Reminder & Schedule Organizer
Generate structured daily medication timelines, dosage intervals, and food instruction notes.
-
Noise exposure & hearing safety calculator
Fast, privacy-first online Noise exposure & hearing safety calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Noise Exposure & Hearing Safety Calculator
Calculate maximum safe daily noise exposure time and hearing protection requirements based on NIOSH standards.
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Pollen forecast & allergy tracker
Free client-side Pollen forecast & allergy tracker web utility.
-
Posture & ergonomics checker
Audit your home office workstation ergonomics. Calculate ideal desk, monitor, and chair heights based on your body height to prevent neck and back strain.
-
Pregnancy Due Date & Ovulation Calculator
Calculate estimated due date using Naegele's rule, trimester milestones, and gestational age.
-
Real-Time Air Quality Checker & AQI Health Guide
Check real-time Air Quality Index (AQI), PM2.5, PM10, and ozone pollution levels worldwide with health advice and outdoor activity recommendations.
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Running pace & race predictor
Fast, privacy-first online Running pace & race predictor tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Running Pace & Split Times Calculator
Calculate running pace per mile and kilometer, projected finish times, and kilometer/mile split pacing schedules.
-
Sleep Debt & Recovery Runway Calculator
Log your last 7 nights of sleep against a target you set, see your total sleep debt in hours, and get a recovery timeline at a pace you choose.
-
Target Heart Rate Zone Calculator
Calculate 5 training heart rate zones using the Karvonen method, from age and resting heart rate.
-
US Navy Body Fat Percentage Calculator
Estimate body fat percentage, fat mass, and lean mass using the US Navy circumference (tape measure) method.
-
UV Index & Sunscreen Time Calculator
Calculate how fast your skin burns based on the current UV Index, your Fitzpatrick skin type, and SPF sunscreen protection. Features reapplication timer and WHO guidelines.
-
Water intake
Fast, privacy-first online Water intake tool. 100% in-browser client-side execution with zero signups and zero data tracking.
Home & DIY
41 tools-
Appliance running cost
Calculate electricity running costs for space heaters, air fryers, AC units, and home appliances per hour, day, month, and year based on utility kWh tariffs.
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Boiler & appliance fault codes
Searchable diagnostic fault code directory for Worcester Bosch, Vaillant, Ideal, and Baxi boilers with DIY water repressurising steps and Gas Safe engineer guidance.
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Building materials (paint/tile/concrete)
Calculate quantities of paint liters and tin sizes, floor/wall tile counts and boxes, concrete bags, and wallpaper rolls with automatic wastage buffers.
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Concrete Slab & Bag Estimator
Enter a slab length, width, and thickness to get cubic yards and how many 40lb, 60lb, or 80lb premix concrete bags you need.
-
Curtain & blind sizing calculator
Calculate curtain fabric yardage, fullness ratios, finished drop length, rod stack-back width, and inside/outside mount window blind dimensions.
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Deck Joist & Beam Maximum Span Guide
Find maximum allowable spans for deck joists (2x6, 2x8, 2x10) and support beams.
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DIY project time & cost estimator
Estimate materials cost, tool rentals, and total labor hours for home DIY projects. Compare DIY vs hiring a contractor to calculate your sweat equity hourly rate.
-
Drywall Calculator
Enter your total wall and ceiling area to calculate drywall sheets, screws, and joint compound buckets needed.
-
Electrical Circuit Load & Breaker Calculator
Calculate electrical current draw (Amps), circuit breaker capacity, and NEC 80% continuous load limits.
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Electrical load calculator
Calculate branch circuit electrical load in watts and amps. Prevents breaker trips with NEC 80% continuous load rule, wire gauge sizing, and appliance wattage library.
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Electricity & gas tariff comparator
Compare electricity and gas tariffs side-by-side. Calculate annual standing charges and kWh unit rates to find the cheapest energy deal and annual savings.
-
Fence & deck materials calculator
Calculate complete lumber, posts, rails, pickets, decking boards, joists, concrete bags, and fasteners for outdoor fencing and deck builds.
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Floor planner / room layout
Fast, privacy-first online Floor planner / room layout tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Flooring & Underlayment Waste Calculator
Calculate hardwood, laminate, vinyl planks, and underlayment rolls with pattern cutting waste factors.
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Garden, turf & mulch quantities
Calculate exact lawn turf rolls (1 m² each), topsoil bulk bags, and decorative bark mulch volume needed for garden landscaping projects.
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Hail Damage History & Impact Checker
Free hail damage history checker with severe storm reports by region, hail impact thresholds, and roof insurance claim cost calculator.
-
Home security checklist & score
Audit your home's physical security defenses. Calculate your 0–100 security score, identify vulnerable entry points, and unlock home insurance premium discounts.
-
Lawn Seed & Fertilizer Spreader Calculator
Calculate lawn square footage, grass seed pounds, and NPK fertilizer bags for overseeding.
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Lumber Board Feet (FBM) & Pricing Calculator
Enter a board thickness, width, and length to calculate board feet per board, total board feet, and total lumber cost.
-
Meal Prep Cost & Nutrition Planner
Plan weekly batch meals, calculate cost per portion, track macronutrients (Protein, Carbs, Fats), and generate consolidated grocery shopping lists.
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Moving van size estimator
Estimate required moving truck size (10ft to 26ft), cargo volume in cubic feet, and payload weight based on bedroom layout and moving box counts.
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Paint Calculator
Enter room dimensions, doors, and windows to calculate how many gallons of paint you need for your coats.
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Paint colour visualiser
Preview interior paint colors on interactive room scenes. Test wall swatches, trim contrasts, lighting temperatures (2700K to 6500K), and LRV light reflectance.
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Pet Food Portion Planner
Calculate veterinary WSAVA/NRC daily calories (RER/MER), exact kibble cup and gram portions per meal, and monthly pet food budgets for dogs and cats.
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Recipe Serving Size & Ingredient Ratio Scaler
Scales recipes to target serving counts or available ingredient weights, converting between US customary (cups, tbsp) and metric with clean fraction formatting.
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Recycling / which bin
Fast, privacy-first online Recycling / which bin tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Roofing & guttering material estimator
Calculate roofing squares, shingle bundles, underlayment rolls, and gutter runs based on building dimensions, pitch multipliers, and overhang allowances.
-
Room Air Conditioner BTU & Cooling Calculator
Calculate room cooling BTU, tonnage, and kilowatt requirements adjusted for sunlight and occupancy.
-
Room lighting calculator (lumens)
Calculate required lumens, lux levels, foot-candles, and LED bulb counts for living rooms, kitchens, bathrooms, bedrooms, and home offices.
-
Screw, bolt & drill bit sizing
Find the exact tap drill size, wood pilot hole, thread pitch, and clearance dimensions for standard metric (M3–M12) and imperial screws and bolts.
-
Smart Home Energy Savings Estimator
Calculate annual utility bill savings, kWh reductions, hardware payback periods, and 5-year ROI for smart thermostats, LEDs, and standby smart plugs.
-
Solar panel payback
Calculate your home solar panel break-even payback period, net installation cost after federal tax credits, and 25-year cumulative electricity bill savings.
-
Stain removal guide
Find step-by-step cleaning solutions to safely remove red wine, grease, coffee, ink, and blood stains from clothing, upholstery, and carpets without fabric damage.
-
Staircase calculator
Calculate stair riser height, number of steps, total run, stringer board length, and angle. Verified against residential IRC and commercial building codes with visual diagram.
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Tile & Grout Weight Volume Calculator
Calculate floor and wall tile box counts, grout dry weight, and thinset mortar bags.
-
Tile, Grout & Adhesive Materials Calculator
Calculate tile box quantities with pattern repeat wastage (10% straight, 15% herringbone), volumetric grout mass in kg, and adhesive bags.
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TV mounting height & viewing distance
Calculate the ideal TV mounting height from the floor and optimal viewing distance based on screen size, seated eye level, and THX/SMPTE theater standards.
-
UK Electricity Grid Carbon Intensity Tracker
Free UK National Grid carbon intensity tracker and appliance scheduler. Live regional DNO fuel mix breakdown, 24-hour green window forecast, and EV carbon footprint calculator.
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Universal appliance error code lookup
Free client-side Universal appliance error code lookup web utility.
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Wallpaper & flooring quantities
Calculate exact wallpaper roll counts with pattern repeat wastage and laminate/hardwood flooring packs including cut wastage buffers.
-
Wallpaper Roll & Pattern Repeat Calculator
Calculate how many wallpaper rolls you need from your wall dimensions and roll size, correctly accounting for pattern repeat and trim waste, not a flat percentage guess.
Random & fun
32 tools-
Age on other planets
Calculate your exact age and next birthday on Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto based on NASA orbital periods and planetary gravity.
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AI-Generated Face Generator & Avatar Studio
Synthesize non-existent human faces, UI placeholder personas, and analyze GAN artifacts with client-side parametric modeling.
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Animal facts & pictures generator
Free client-side Animal facts & pictures generator web utility.
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Boredom buster activity generator
Free client-side Boredom buster activity generator web utility.
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Coin flip, dice & random number
Fast, privacy-first online Coin flip, dice & random number tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Corporate buzzword generator
Free client-side Corporate buzzword generator web utility.
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Custom trivia quiz generator
Free client-side Custom trivia quiz generator web utility.
-
Dad joke generator
Free client-side Dad joke generator web utility.
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Excuse generator
Free client-side Excuse generator web utility.
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Game of Thrones & ASOIAF Universe Database
Comprehensive Citadel archives of the Great Houses of Westeros, ancestral Valyrian steel blades, and house alignment quiz.
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Live Football Scores & League Standings
Free live European football scores, league standings, matchday fixtures, team form guides, and goal analytics.
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Love & name compatibility
Fast, privacy-first online Love & name compatibility tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Marvel comics character & series database
Free client-side Marvel comics character & series database web utility.
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MBTI personality type test
Free client-side MBTI personality type test web utility.
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Morse Code Text & Audio Beeper Translator
2-way English to Morse Code translator with real-time Web Audio API beep playback, flashlight strobe simulation, and NATO phonetic alphabet mapping.
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Next Marvel movie countdown
Free client-side Next Marvel movie countdown web utility.
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Random fun fact generator
Free client-side Random fun fact generator web utility.
-
Random insult generator
Free client-side Random insult generator web utility.
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Random joke generator
Free client-side Random joke generator web utility.
-
Random movie & TV quote generator
Free client-side Random movie & TV quote generator web utility.
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Random startup idea generator
Free client-side Random startup idea generator web utility.
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Secret Santa organiser
Fast, privacy-first online Secret Santa organiser tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Spin the wheel / random picker
Fast, privacy-first online Spin the wheel / random picker tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Star Trek Universe Database & Stardate Calculator
LCARS Starfleet database of starships, characters, alien species, canon stardate converter, and warp velocity computer.
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Star Wars character & universe database
Free client-side Star Wars character & universe database web utility.
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Superhero & supervillain database
Free client-side Superhero & supervillain database web utility.
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Team & group randomiser
Fast, privacy-first online Team & group randomiser tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Virtual playing card deck shuffler & drawer
Free client-side Virtual playing card deck shuffler & drawer web utility.
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What should I eat / decision maker
Fast, privacy-first online What should I eat / decision maker tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Would you rather & truth or dare
Fast, privacy-first online Would you rather & truth or dare tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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XKCD Comic Viewer & Random Picker
Free client-side xkcd webcomic reader with random picker, topic search, mouseover alt-text viewer, and technical lore explanations.
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Zodiac, birthstone & birth facts
Fast, privacy-first online Zodiac, birthstone & birth facts tool. 100% in-browser client-side execution with zero signups and zero data tracking.
Time & date
31 tools-
Age in days, weeks & months
Fast, privacy-first online Age in days, weeks & months tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Book Reading Pace Tracker
Calculate daily reading page goals and finish dates based on book page length, reading speed, and daily time investment.
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Budget & expense planner
Fast, privacy-first online Budget & expense planner tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Date duration & age calculator
Fast, privacy-first online Date duration & age calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Day of the Week Historical Date Finder
Enter any date, past or future, to find out exactly which day of the week it falls on, plus its day-of-year number, ISO week number, and distance from today.
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Decimal Hours to Minutes Converter
Convert payroll decimal hours (like 7.75h) to hours and minutes (7h 45m), or the other way around, plus a quick-reference table of common decimal-to-minute equivalents.
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Exact Age in Days, Hours & Minutes Calculator
Enter a birth date and time to get your exact age in years, months and days, plus totals in weeks, days, hours and minutes, and a countdown to your next birthday.
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Global Timezone Overlap & Meeting Slot Finder
Find optimal meeting times across global cities with visual 24-hour heatmaps, dynamic multi-participant team scheduling, and custom working hour overlaps.
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Habit & streak tracker
Fast, privacy-first online Habit & streak tracker tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Habit Streak & Consistency Rate Planner
Enter your days elapsed and days completed to see your habit consistency rate, how many days you can miss (or need to make up) to hit your goal, and your next streak milestone.
-
Hebrew calendar converter & holiday lookup
Free client-side Hebrew calendar converter & holiday lookup web utility.
-
Milestone & Event Countdown Timer
Set a name and a target date/time to get a live, ticking countdown in days, hours, minutes, and seconds until your milestone or event.
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Nameday calculator
Free client-side Nameday calculator web utility.
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Online alarm & stopwatch
Fast, privacy-first online Online alarm & stopwatch tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Packing & checklist builder
Fast, privacy-first online Packing & checklist builder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Pomodoro & focus timer
Fast, privacy-first online Pomodoro & focus timer tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Pomodoro Technique & Daily Focus Block Planner
Plan focused deep work sessions using the Pomodoro technique with customizable work/break intervals, daily session targets, and visual completion schedules.
-
Revision & study timetable
Fast, privacy-first online Revision & study timetable tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Shareable countdown to a date
Fast, privacy-first online Shareable countdown to a date tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Shift / time-between calculator
Calculate total shift duration, hours worked, and pay. Handles overnight shifts crossing midnight, unpaid break deductions, and decimal hours for timesheets.
-
Sleep Cycle & 90-Minute Bedtime Calculator
Calculate optimal bedtimes based on 90-minute REM sleep cycles to avoid sleep inertia.
-
Sleep cycle & bedtime
Fast, privacy-first online Sleep cycle & bedtime tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Subscription cost tracker
Fast, privacy-first online Subscription cost tracker tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Time zone meeting finder
Fast, privacy-first online Time zone meeting finder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Time zone meeting planner
Fast, privacy-first online Time zone meeting planner tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Wedding budget & seating
Plan your wedding budget using standard bridal industry percentages (50/15/10/10/10/5) to calculate venue, catering, photography, and per-guest allowances.
-
Weekly Timesheet & Break Deduction Calculator
Enter clock-in and clock-out times for each day of the week, deduct unpaid breaks, and get total weekly hours in both hours:minutes and decimal form.
-
Work Hours & Timesheet Overtime Calculator
Log daily clock-in/out times, deduct unpaid meal breaks, calculate 1.5x overtime and night differentials, and export complete weekly payroll timesheets to CSV.
-
Working days & holiday counter
Calculate exact working days, billable business hours, and excluded weekend days between any two calendar dates for project management and client billing.
-
Working days & leave planner
Strategically schedule annual leave around public bank holidays and weekends to double your consecutive vacation days with minimal PTO allowance.
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World Clock & Weather by City
Free client-side world clock, timezone converter, and climatological weather dashboard with meeting overlap slider.
Text tools
23 tools-
Base64 Text Encoder & Decoder
Convert plain text to Base64 and decode Base64 strings with full UTF-8 emoji support.
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Bold & italic text for social bios
Fast, privacy-first online Bold & italic text for social bios tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Character & word counter for socials
Fast, privacy-first online Character & word counter for socials tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Emoji & kaomoji picker
Fast, privacy-first online Emoji & kaomoji picker tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Fancy / stylish text generator
Fast, privacy-first online Fancy / stylish text generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Free Text Translator & Multilingual Phrasebook
Instant, offline translation and phrasebook across 10 major languages with native audio speech synthesis and export.
-
Hashtag Counter, Extractor & Cleaner
Extracts hashtags from text, counts totals against platform limits (e.g. max 5 for LinkedIn, max 30 for Instagram), deduplicates, and formats spacing.
-
Invisible Text & Blank Character Generator
Generates copyable invisible Unicode characters (Hangul Filler U+3164, Zero-Width Space U+200B, Braille Blank U+2800) for blank usernames, empty WhatsApp messages, and status bios.
-
Language detection tool
Free client-side Language detection tool web utility.
-
Letter, Vowel, Consonant & Case Frequency Counter
Analyzes character composition: count and percentage of uppercase, lowercase, numbers, vowels, consonants, punctuation, and special symbols.
-
Line, Paragraph & Blank Space Cleaner / Counter
Counts total lines, non-empty lines, paragraphs, tabs, and provides 1-click duplicate line removal and blank space stripping.
-
Lorem Ipsum Dummy Text Generator
Generate customizable Lorem Ipsum placeholder text by paragraphs, sentences, words, or lists. Features optional HTML tags, instant clipboard copy, and multiple themes.
-
Markdown to Clean HTML Converter
Convert Markdown markup into clean semantic HTML tags with instant live preview.
-
SEO URL Slug Generator & Cleaner
Convert titles and headlines into clean, lowercase, URL-safe permalinks with accent removal.
-
Small caps & strikethrough
Fast, privacy-first online Small caps & strikethrough tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Synonym & antonym finder
Free client-side Synonym & antonym finder web utility.
-
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.
-
Text cleaner & line break remover
Fast, privacy-first online Text cleaner & line break remover tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Text Diff & Comparison Checker
Visual word-by-word text difference comparison checker highlighting additions and deletions.
-
Text repeater & spacer
Fast, privacy-first online Text repeater & spacer tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Upside down & reverse text
Fast, privacy-first online Upside down & reverse text tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Word cloud generator
Free client-side Word cloud generator web utility.
-
Word definition & etymology lookup
Free client-side Word definition & etymology lookup web utility.
Messaging & WhatsApp
18 tools-
All-in-One Social Character Limit Meter
Verify post, bio, and caption character limits across Twitter/X, Instagram, TikTok, LinkedIn, YouTube, and Pinterest simultaneously in real time.
-
Apology & difficult message helper
Fast, privacy-first online Apology & difficult message helper tool. 100% in-browser client-side execution with zero signups and zero data tracking.
-
Birthday wishes generator
Fast, privacy-first online Birthday wishes generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Click-to-chat button generator
Create instant direct WhatsApp chat links (wa.me) and embeddable website buttons with pre-filled custom inquiry messages and QR codes.
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Condolence & sympathy messages
Generate heartfelt, respectful sympathy messages and condolence card wording for personal friends, family members, and professional colleagues.
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Event Seating Arrangement Generator
Generate interactive banquet, classroom, and cocktail table seating arrangements with collision-free dance floors, buffet stations, and PDF/CSV export.
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Good morning & evening messages
Fast, privacy-first online Good morning & evening messages tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Invitation & RSVP text
Generate ready-to-send invitations for birthdays, dinners, and corporate mixers with formatted dates, venues, dress codes, and RSVP deadlines.
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Mailto link generator
Fast, privacy-first online Mailto link generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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MMS Payload & Carrier Limit Calculator
Calculates total MMS media payload size (KB/MB), text character budgets, and checks carrier gateway limits (300KB–1.2MB).
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Out of office & auto-reply
Create professional vacation and business travel email auto-responder templates with clear return dates, backup emergency contacts, and response expectations.
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Resignation & notice letter
Generate formal, professional resignation letters with automatic notice period and last day calculation. Copy or print to PDF with one click.
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SMS Segment & Encoding Calculator (GSM-7 vs. UCS-2)
Calculate SMS segment counts, identify expensive Unicode/UCS-2 characters, and estimate Twilio/telecom campaign costs in real time.
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Telegram / Signal / SMS link builder
Fast, privacy-first online Telegram / Signal / SMS link builder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Thank you note generator
Fast, privacy-first online Thank you note generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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WhatsApp chat export analyser
Fast, privacy-first online WhatsApp chat export analyser tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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WhatsApp direct link generator
Fast, privacy-first online WhatsApp direct link generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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WhatsApp text formatter
Fast, privacy-first online WhatsApp text formatter tool. 100% in-browser client-side execution with zero signups and zero data tracking.
Links & QR codes
10 tools-
Add-to-calendar link generator
Create 1-click calendar links for Google Calendar, Outlook Web, and downloadable standard RFC 5545 .ICS calendar invite files for event pages and newsletters.
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Dynamic QR code generator with analytics
Free client-side Dynamic QR code generator with analytics web utility.
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Google Maps & directions link
Fast, privacy-first online Google Maps & directions link tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Google review link generator
Fast, privacy-first online Google review link generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Link-in-bio page builder
Fast, privacy-first online Link-in-bio page builder tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Password generator & strength
Fast, privacy-first online Password generator & strength tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Random username generator
Fast, privacy-first online Random username generator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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UTM campaign link builder
Generate trackable Google Analytics UTM campaign URLs with clean parameter sanitization, bulk batch generation, and 1-click link copying.
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vCard / digital business card
Create downloadable vCard (.VCF) contact cards and QR codes for instant 1-tap contact saving directly into iPhone and Android address books.
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WiFi Access String & QR Code Generator
Generate standard WiFi connection QR strings for guest network instant login.
Islamic tools
6 tools-
Ayah of the day generator
Free client-side Ayah of the day generator web utility.
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Eid, Ramadan & Islamic greetings
Fast, privacy-first online Eid, Ramadan & Islamic greetings tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Hijri / Gregorian date converter
Convert dates between the Islamic lunar Hijri calendar and the Gregorian solar calendar with Islamic holy day references and astronomical precision.
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Prayer times calculator
Fast, privacy-first online Prayer times calculator tool. 100% in-browser client-side execution with zero signups and zero data tracking.
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Shariah-compliant stock screener
Free client-side Shariah-compliant stock screener web utility.
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Zakat calculator
Calculate your annual Zakat liability accurately based on gold/silver Nisab thresholds, cash, jewelry, investments, and deductible immediate liabilities.