Decode and inspect JWT tokens
Want a deeper walkthrough? Read our complete guide to JWT Decoder →
JWT Decoder reads JSON Web Tokens and displays their header and payload in a readable format, so you can inspect claims like expiry, issuer, and user data.
Decoding happens entirely in your browser — your tokens are never transmitted — which is essential when working with credentials.
No, it decodes and displays the contents. Verifying the signature requires the secret or public key and should be done server-side.
Decoding here is safe because it happens locally in your browser and nothing is transmitted.
Yes, standard claims like exp (expiry) and iat (issued-at) are shown in the decoded payload.
