Developer Tools
5 tools available — free, no sign-up.
Developer Tools
JSON Formatter & Validator
Format, validate, and beautify JSON instantly. Catch syntax errors and pretty-print minified JSON for free, right in your browser.
Developer Tools
Hash Generator
Generate SHA-256, SHA-1, and SHA-512 hashes from any text instantly. Free, client-side hash generator using your browser's built-in crypto engine.
Developer Tools
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to plain text instantly. Free, fast, and fully client-side — no data ever leaves your browser.
Developer Tools
URL Encoder/Decoder
Encode text for safe use in a URL, or decode a URL-encoded string back to plain text. Free, instant, fully client-side.
Developer Tools
Number Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal instantly. Free online number base converter for developers.