iGotTools

JWT Decoder and Claims Inspector

Decode JWT header and payload locally with claim timeline and diagnostics.

Decoded locally in your browser. Signature is not verified.

Decoded JWT

Paste a JWT to decode header and payload locally.

How to use

  1. 1Paste the JWT string with three dot-separated segments.
  2. 2Decode header and payload JSON, then inspect alg, typ, iss, aud, sub, exp, nbf, and iat claims.
  3. 3Compare the timeline against your current time and remember that decoding does not verify the signature.

FAQ