JWT Signer
Enter Payload and secret to generate a signed JWT for easy test token creation. Supports HMAC (HS*), RSA (RS* / PS*), ECDSA (ES*); asymmetric algorithms allow one-click test key pair generation. All computation in-browser; keys are never uploaded.
For Testing Only
Do not enter production private keys here. Generated tokens can be verified with JWT Decoder or used with keys from JWK Generator.