Data tools
Format, validate, and transform structured text — all locally.
Age Calculator
Calculate exact age in years, months, and days, plus total days/weeks/hours lived and a next-birthday countdown.
runs locallyBase64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text, instantly in your browser.
WebAssemblyCLI / agentCase Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.
WebAssemblyCLI / agentColor Converter
Convert colors between HEX, RGB, and HSL formats instantly.
WebAssemblyCLI / agentColor Palette Extractor
Extract the dominant colors from any image as a hex palette with percentage shares.
runs locallyCron Parser / Schedule Explainer
Translate any 5-field cron expression into plain English and see the next 10 run times — computed locally in your timezone.
runs locallyCSS Formatter
Beautify (pretty-print) minified or messy CSS instantly, right in your browser.
runs locallyCSS Generator (Gradient & Shadow)
Build CSS gradients and box shadows visually with live preview and copy-ready code.
runs locallyCSV to JSON Converter
Convert CSV data to a JSON array of objects, using the header row as keys.
WebAssemblyCLI / agentDiff Checker
Compare two texts line by line with a color-coded diff: removed lines in red, added lines in green, plus a copyable unified diff.
runs locallyText Encryptor / Decryptor
Encrypt or decrypt any text with a passphrase using AES-256-GCM — keys never leave your browser.
runs locallyHash Generator
Calculate MD5, SHA-1, SHA-256, SHA-512, and CRC32 checksums of any text.
WebAssemblyCLI / agentHTML Formatter
Beautify (pretty-print) minified or messy HTML instantly, right in your browser.
runs locallyHTML to Markdown Converter
Convert HTML pages and snippets to clean GitHub-Flavored Markdown instantly.
runs locallyImage to Base64 Converter
Convert any image to a Base64 string or data URI for embedding in HTML, CSS, or JSON.
runs locallyJavaScript Formatter
Beautify (pretty-print) or minify JavaScript code instantly, right in your browser.
runs locallyJSON Formatter
Format, validate, minify, and escape JSON instantly. Powered by Rust + WebAssembly.
WebAssemblyCLI / agentJSON to CSV Converter
Convert a JSON array of objects to CSV with proper quoting — columns come from the union of all keys, nested values are stringified.
runs locallyJWT Decoder
Decode a JSON Web Token and inspect its header, payload, and signature — without sending it anywhere.
WebAssemblyCLI / agentLorem Ipsum Generator
Generate placeholder lorem ipsum text by paragraphs, sentences, or words.
WebAssemblyCLI / agentMarkdown to HTML
Convert Markdown to clean HTML instantly, right in your browser.
WebAssemblyCLI / agentOpen Graph / Meta Tag Generator
Generate Open Graph, Twitter Card, and SEO meta tags for any page, with a live link-preview card — no signup.
runs locallyPassword Generator
Generate strong random passwords with letters, digits, and symbols.
WebAssemblyCLI / agentPomodoro Timer
A classic Pomodoro timer: 25-minute work sessions, short breaks, and a long break every fourth session — with a beep and tab-title countdown.
runs locallyRandom Name Picker
Pick one or more random names from your list with a suspenseful spin animation — great for giveaways, raffles, and choosing who goes first.
runs locallyRegex Tester
Test regular expressions against text and see every match with its position.
WebAssemblyCLI / agentRobots.txt Generator
Create a valid robots.txt file with allow/block rules, sitemap and crawl-delay — with a live preview and one-click download.
runs locallyLine Sorter / Deduplicator
Sort lines alphabetically (A→Z or Z→A), remove duplicate lines, or reverse their order.
WebAssemblyCLI / agentSQL Formatter
Beautify (pretty-print) SQL queries for MySQL, PostgreSQL, SQLite and more, right in your browser.
runs locallySQLite Viewer
Open a SQLite database file in your browser and run SQL against it — the file never leaves your device.
runs locallyText Splitter / Joiner
Split text into lines by a delimiter, or join lines back together with a separator.
WebAssemblyCLI / agentUnix Timestamp Converter
Convert Unix epoch timestamps to human-readable dates and back.
WebAssemblyCLI / agentTyping Speed Test
Measure your typing speed in words per minute (WPM) with live accuracy stats — no account, no tracking.
runs locallyUnit Converter
Convert between metric and imperial units live in both directions — length, weight, temperature, volume, area, speed, data, and time.
runs locallyURL Encoder / Decoder
Percent-encode text for safe use in URLs, or decode it back.
WebAssemblyCLI / agentUUID Generator
Generate random UUID v4 identifiers — one at a time or in bulk.
WebAssemblyCLI / agentWasm File Explorer
Inspect a .wasm binary: sections, imports, exports, function signatures, and hex — right in your browser.
runs locallyWAT ⇄ WASM Converter
Compile WebAssembly Text Format (WAT) to .wasm, decompile .wasm back to WAT, and format or minify WAT — all locally.
runs locallyWord Counter
Count words, characters, sentences, paragraphs, and estimate reading time.
WebAssemblyCLI / agentZIP Compressor
Combine multiple files and folders into a single ZIP archive — entirely in your browser.
runs locallyZIP Extractor
Extract the contents of a ZIP archive and download the files — entirely in your browser.
runs locally