JWT Decoder
Decode and inspect JSON Web Tokens.
Decoding only — the signature is not verified. Never paste production secrets.
About JWT Decoder
Paste a JSON Web Token to see its decoded header and payload, formatted as JSON, plus human-readable issued-at and expiry times. The token is decoded locally; the signature is not verified.
- 1Paste your JWT.
- 2Read the decoded header and payload.
- 3Check the issued and expiry times.
FAQ
Does it verify the signature?
No — it only decodes the token for inspection. Never paste production secrets into any online tool.