Developer tools
Format, encode, hash and decode — built for engineers.
13 tools · 13 run in your browser
JSON Formatter
Beautify, minify and inspect JSON.
JSON Validator
Validate JSON and pinpoint errors.
Base64 Encode / Decode
Encode or decode Base64 text and data URLs.
URL Encode / Decode
Percent-encode or decode URLs.
HTML Minifier
Strip whitespace and comments from HTML.
CSS Minifier
Compress CSS for production.
JavaScript Minifier
Minify JavaScript safely.
SQL Formatter
Pretty-print SQL queries.
XML Formatter
Indent and tidy XML.
UUID Generator
Generate v4 UUIDs in bulk.
Hash Generator
SHA-1/256/384/512 and MD5 hashes.
JWT Decoder
Decode JWT header and payload.
QR Code Generator
Create a QR code from any URL or text.