Decode JSON Web Tokens online. Inspect the JWT header, payload and claims, in a readable format. Free JWT decoder that runs locally in your browser.
About this tool
Inspect the readable header, payload and claims inside a JSON Web Token.
How to use JWT Decoder
- Paste a token into Encoded token.
- Review Header, Payload and Claims, including any displayed time-related claims.
- Copy the information needed for debugging without sharing a live credential.
Worked example
Decode a non-production sample token to inspect its subject and expiry fields.
Does decoding prove that a token is genuine?
No. The signature is not verified by this decoder. Never authorize access based only on decoded claims.
Are tokens safe to paste into any website?
Treat live tokens as credentials. Use test tokens for debugging and avoid exposing tokens that grant access.
- JWT Decoder — Decode JSON Web Tokens and inspect header, payload and expiry.
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