JWT Token Decoder

Decode a JSON Web Token instantly to inspect its header and payload.

Header

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Payload

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How to Use

1Open the JWT Token Decoder tool in your browser.
2Paste or type your content into the input field.
3The tool processes it instantly — no page reload needed.
4Copy the result with one click, or download it if available.

About this tool

Decode a JSON Web Token instantly to inspect its header and payload. Runs fully offline in your browser — sensitive data never touches a server.

Frequently Asked Questions