Security & Validation
Security tools only make sense if they never see your secrets. Nothing on these pages is sent to a server: passwords are generated with your browser's cryptographic randomness, and hashes are computed on your device.
4 tools
- Password GeneratorGenerate strong passwords with a real entropy measure, using the browser's cryptographic randomness.
- Hash & HMAC GeneratorSHA-1, SHA-256, SHA-384 and SHA-512, plain or as HMAC with a secret.
- JWT DecoderDecode a JSON Web Token and read its header, payload and expiry.
- Card Number Validator (Luhn)Check a card number's format with the Luhn algorithm and identify the network.