Developer tools
Formatters, decoders and inspectors that run in your browser.
- File hashSHA-256, SHA-384, SHA-512 and SHA-1 checksums, computed in your browser.
- JSON formatterPretty-print, minify or sort JSON, with errors pointed to the exact line.
- JWT decoderRead the header, payload and expiry of a JSON Web Token, without sending it anywhere.
- Base64 encoderConvert text to Base64 or back, with correct UTF-8 and URL-safe support.
- Timestamp converterTurn epoch seconds or milliseconds into readable dates, and back again.
- UUID generatorCryptographically random UUIDv4, or time-sortable UUIDv7, in bulk.
- Diff checkerLine-by-line differences between two blocks of text, computed in your browser.