Why use this tool?
This tool is extremely fast, private, and works offline. No data is ever sent to a server. Try it out now!
JWT Decoder Online
Debug authentication issues flawlessly with our offline JWT decoder online. Quickly paste your JSON Web Token to extract and view the header and underlying claims payload directly in your browser without compromising secrets.
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How to use jwt decoder online
- Paste your raw JWT string into the input box.
- Click decode to parse the Base64Url segments.
- Read the fully formatted JSON payload and headers.
FAQ
Does this verify the JWT signature?
No, this tool only decodes the Base64 payloads and does not perform signature validation.
Is my token secure?
Yes, no data is sent out of your browser.