Developer Tools
Format JSON, encode Base64, hash text, make a UUID, convert colours, decode a JWT and read a cron expression.
- JSON FormatterIndent JSON so you can read it, or minify it so it is small, and find out whether it is valid.
- Base64 Encoder & DecoderEncode text to Base64 or decode it back, with the URL-safe alphabet as an option.
- Hash GeneratorProduce a SHA hash of any text, using the browser's own cryptography.
- UUID GeneratorGenerate version 4 or version 7 UUIDs, in the quantity and format you need.
- Password GeneratorGenerate a strong password, and see how strong it actually is.
- Colour ConverterConvert a colour between notations, and check its contrast against white and black.
- JWT DecoderRead the header and the claims inside a JSON Web Token, including when it expires.
- Unix Timestamp ConverterConvert a Unix timestamp to a date in any time zone, or a date back to a timestamp.