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Security
Build and sign a JSON Web Token with HS256, HS384 or HS512, using your own claims and secret.
Runs entirely in your browser, nothing is uploadedRegistered claims such as exp, iat and nbf are seconds since the Unix epoch, not milliseconds. Nothing here is added for you.
Decode a JSON Web Token’s header and payload, and verify an HS256 signature with a secret.
Open toolInspect a JSON Web Key or JWKS document, field by field, without exposing private key material.
Open toolCompute an HMAC-SHA1/256/384/512 of a message with a secret key.
Open tool