Developer Tools
Developer utilities that run locally in your browser: format and validate JSON, generate passwords and QR codes, encode and decode data. Safe for API keys and private data.
All 10 tools
- JSON FormatterPretty-print, validate and minify JSON
- Password GeneratorStrong random passwords, locally generated
- QR Code GeneratorLinks, Wi-Fi, text, email and phone to QR
- Base64 Encode / DecodeText and files to and from Base64
- URL Encode / DecodePercent-encode text and inspect URLs
- UUID Generatorv4 and v7 UUIDs in bulk
- Hash GeneratorMD5, SHA-1, SHA-256 and SHA-512 for text and files
- JWT DecoderInspect header, payload, expiry and signature
- Regex TesterTest patterns with live match highlights
- Unix Timestamp ConverterEpoch time to dates and back