JWT Decoder
Decode and inspect JWT tokens instantly. No data sent anywhere.
What is a JWT?
JSON Web Token (JWT) is an open standard (RFC 7519) for securely transmitting information between parties as a JSON object. It is commonly used for authentication and authorization in web applications.
FAQ
Does this tool verify the signature?
No. This tool only decodes the token. It does not verify the signature. Never trust decoded JWT claims without signature verification.
Is my token sent to any server?
No. Decoding happens entirely in your browser.