How to use it
- Paste the JWT into the input area.
- Inspect header and payload output.
- Check date claims and permission fields.
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.
Quick guide
What the JWT decoder shows
JWT tokens usually contain header, payload and signature parts. The decoder turns header and payload into readable JSON and helps interpret date claims like exp and iat.
Common uses
- Debugging login issues
- Checking token expiry
- Inspecting claim structure
FAQ
Does the decoder verify the signature?
No. This tool makes content readable; it does not verify the signature.
Is sharing tokens safe?
Always mask production tokens before sharing.
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