JWT Decoder

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Decode JSON Web Tokens, check expiry and verify the signature.

How to use the JWT Decoder

1Paste a JWT or drop a file that contains one.
2Read the header and claims with dates in your local time.
3Verify the signature with a secret or public key.

Frequently asked questions

Is it safe to paste a token here?

Decoding and verification happen in your browser; the token is never sent anywhere. Still treat live tokens like passwords.

File Viewer
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Drop any file to look inside it, with the right viewer picked for you.
JSON Viewer & Validator
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Browse JSON as a collapsible tree and find syntax errors down to the line.
YAML Viewer & Validator
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Check YAML for indentation and syntax errors and explore it as a tree.