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JWT Decoder
Inspect the header and payload of any JWT without sending it to a server.
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How to use JWT Decoder
- 1
Paste JWT
- 2
Inspect header/payload
Why use JWT Decoder?
- Never leaves your browser
Common use cases
- Debug auth issues
Your files never leave your device
Every tool on Xevon Tools runs 100% in your browser. No uploads, no servers, no tracking. Free forever.
About JWT Decoder
JWT Decoder parses the header and payload of a JSON Web Token entirely in your browser.
Frequently asked questions
Verification requires the signing key — the tool can decode but not verify.