Developer Tools
Format, validate, encode and inspect data without leaving your browser — built for daily engineering work.
13 tools available
JSON Formatter
Format, validate and beautify JSON with syntax highlighting.
JSON Validator
Validate JSON syntax and get precise, line-accurate error messages.
JSON Minifier
Compress JSON by removing whitespace to reduce file size.
Base64 Encoder
Encode text or files to Base64 format instantly.
Base64 Decoder
Decode Base64 strings back to readable text instantly.
UUID Generator
Generate random UUID v4 identifiers in bulk, instantly.
QR Code Generator
Generate a downloadable QR code from any text, URL or contact info.
Regex Tester
Test regular expressions against sample text with live match highlighting.
URL Encoder
Encode text into a URL-safe format.
URL Decoder
Decode percent-encoded URL text back to readable form.
JWT Decoder
Decode a JSON Web Token to inspect its header and payload.
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes from text.
Timestamp Converter
Convert between Unix timestamps and human-readable dates.