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danieljh

JWT Decoder

Decode a JSON Web Token's header and payload in your browser. No signature verification, no network call.

Input

Decoding only — no signature verification, no network request, no server. The signature is shown raw alongside the decoded header and payload.

Output

Paste a JWT on the left to see its header and payload decoded here.

Disclaimer. Provided as-is, with no warranty of any kind. Always verify critical results before acting on them — I accept no liability for inaccuracies, bugs, or any loss or damages arising from use of these tools.

Spotted a bug or want to suggest an improvement?Let me know