Developer Tools
JWT decoders, cURL converters, CSS tools, hash generators, and more — built for developers.
Base64 Encoder / Decoder
Encode and decode Base64 (plain and URL-safe) right in your browser.
URL Encoder / Decoder
Percent-encode and decode URLs and query parameters.
JWT Decoder
Decode any JWT. See header, payload, signature, and humanized iat/exp/nbf claims.
Timestamp Converter
Convert between Unix timestamps, ISO 8601, and human dates — with timezone support.
Regex Tester
Test regular expressions against any text. See matches, groups, and positions.
Hash Generator
Compute cryptographic hashes of any text. Uses the browser's Web Crypto API.
HTML Minifier
Minify HTML with inline CSS/JS minification. Powered by @minify-html/wasm (Rust).
CSS Minifier
Minify CSS with optional structural optimizations via clean-css.
JavaScript Minifier
Minify JS with terser — the same minifier webpack uses.
Code Beautifier
Format code consistently using Prettier. 8 languages supported.
Text Diff Checker
Compare two blocks of text and see additions, deletions, and changes — powered by jsdiff.