JWT Decoder
Inspect the header, payload and expiry of a JSON Web Token locally.
Runs entirely in your browser. Nothing you enter leaves your device.
Input
Decoded only — the signature is not verified, so never paste a token you still trust.
Runs entirely in your browser. Nothing you enter leaves your device.
Output
The decoded header and payload appear here.
How to use
- Type or paste your text into the input panel on the left.
- The result updates instantly in the output panel on the right.
- Use Copy or Download to save the result, or Reset to start over.
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