Developer Tools

Format, validate and minify JSON data with syntax highlighting

Format, beautify, minify and validate XML with precise line-and-column error reporting

Convert XML to JSON with attribute and array handling you can control, plus exact error positions

Convert JSON to well-formed XML with a chosen root element, indentation and proper escaping

Encode and decode Base64 strings easily

Generate MD5, SHA-1, SHA-256, SHA-512, SHA-3, BLAKE2 and more hashes instantly

Generate bulk UUIDs (v4, v1, v7) instantly

Decode, verify, and create JSON Web Tokens (JWT) with HS256 signing

Test a regular expression, inspect capture groups, and replace matches in your browser

Convert Unix timestamps to human-readable dates and back

Percent-encode or decode URLs and query strings

Convert between HEX, RGB, and HSL color formats with live preview

Upload two code files and compare changes side-by-side or unified, like an IDE

Generate placeholder text for your designs and mockups