Developer tools
JSON, Base64, hashes, UUIDs, passwords, regex, colours and more.
- 15 tools
- Free
- Private
- JSON formatter & validatorPretty-print, minify and find JSON errors
- Password generatorStrong random passwords with strength meter
- QR code generatorQR codes for links, Wi-Fi, email and phone, as PNG or SVG
- Barcode generatorCode 128, EAN-13 and UPC-A as PNG or SVG
- URL encoder & decoderPercent-encode text, decode links and inspect query strings
- Base64 encoder & decoderEncode and decode Base64 text or files
- Hash generatorMD5, SHA-1, SHA-256 and SHA-512 of text or files
- UUID generatorRandom v4 and time-ordered v7 UUIDs
- JWT decoderRead a JSON Web Token's header and claims
- Unix timestamp converterEpoch seconds ↔ readable dates
- Colour converter & contrast checkerHEX, RGB, HSL, CMYK and WCAG contrast
- CSV ↔ JSON converterConvert spreadsheets to JSON and back
- Regex testerTest regular expressions with live highlights
- Number base converterBinary, octal, decimal, hex and any base
- IP subnet calculatorCIDR, masks, hosts and address ranges
Everyday helpers for developers and technical marketers, useful for API responses, tokens and configuration that should not be pasted into a random server.
- Data: JSON formatter, CSV ↔ JSON, Base64.
- Security: password generator, hashes, JWT decoder.
- Everything else: regex, UUIDs, timestamps, colours, QR codes.