How to use JWT Decoder
- Paste or upload your JWT data.
- Click Decode JWT.
- Copy or download the decoded JSON result.
JWT Decoder
Paste a JSON Web Token to inspect its decoded header and payload. Decoding happens entirely in your browser and the token is never sent anywhere. Note that decoding does not verify the signature.
- Is my data uploaded?
- No. The conversion runs entirely in your browser using JavaScript.
- Is there a size limit?
- Only your device's memory; there are no server-side limits.