Encoding & Security
JWT Decoder
Decode JWT headers, payloads, registered claims, and time-window status locally.
Runs locally in your browserLoading the local workbench…
About this tool
Inspect a compact JSON Web Token entirely in your browser. Header and payload data remains untrusted because decoding does not verify its signature.
Common uses
- Read issuer, subject, and audience claims
- Translate exp, nbf, and iat timestamps
- Inspect token structure before separate verification