How to use it
- Paste the JWT.
- Inspect header and payload JSON.
- Review expiry and authorization claims.
Developer tool
JWT Decoder - JSON Web Token Inspector
Paste a JWT token and inspect its header, payload and signature information as readable JSON.
TokenJSON Web Token
ResultWaiting for token.
Practical guide
Inspect JWT header and payload safely
Decode token parts into readable JSON, interpret exp and iat values and inspect claims while remembering that the signature is not verified.
What is a JWT Decoder?
This tool streamlines workflows such as debugging login issues and checking token expiry in one place.
Common uses
- Debugging login issues
- Checking token expiry
- Reading role and permission claims
Practical examples
Convert exp to a readable date and compare client and server clocks.
Compare role, scope or permission claims with expected values.
Frequently asked questions
Is the signature verified?
No. The decoder only reads content; trust requires server-side signature verification.
Is it safe to share a live token?
No. Mask tokens before screenshots or support messages.
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