Which claims should I use for testing?
Common fields: sub, iss, aud, iat, nbf, exp. At minimum, align audience, issuer, and expiry with what your server validates.
JWT Generator / Signer
DevTools JWT Generator / Signer creates and signs JSON Web Tokens locally in your browser—configure Header, Payload, and common claims for auth integration testing.
JWT Generator / Signer
Create and sign JWTs—configure Header, Payload, and common claims, then export the token.
About this tool
When wiring login or protected APIs, you often need test tokens quickly. Fill exp, iss, aud, and other claims, then sign with your chosen algorithm.
How to use
- Edit Header and Payload JSON.
- Enter a symmetric key or choose a signing method.
- Generate the JWT and copy the result.
FAQ
Is this suitable for production key management?
No. Production keys belong in a secure KMS. This page is for temporary integration and local testing.
Is my key uploaded?
No. Signing runs locally in your browser.
Can I test RS256 tokens?
Use the RSA Key Pair Generator for PEM keys, then sign JWTs with the supported algorithms in this tool.
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