JWT Inspector
Decode a JSON Web Token's header and payload, inspect its claims and expiry, and verify HS256/384/512 signatures — entirely in your browser.
No expiry (exp) claim is present.
Encoded token
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Payload
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Header
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Claims
| sub(Subject) | 1234567890 |
| name | John Doe |
| iat(Issued at) | 15162390222018-01-18T01:30:22Z |
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Enter the shared secret to check this HS256 signature. Verification runs locally — the secret never leaves your browser.
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