JWT Decoder
Decode and inspect JSON Web Tokens (JWT) to view header and payload data without verification.
Secure Connection: Your data is encrypted via SSL (HTTPS).
|Privacy First: Processed in your browser. No data is stored or sent to servers.
How to use the JWT Decoder
Simply paste your content into the input area above. The tool will automatically process your data and show the result in the output box. All processing is done client side, meaning your data never leaves your computer.
What is a JWT Decoder?
A JWT (JSON Web Token) Decoder is a tool that allows developers to debug and inspect the contents of a JWT. It decodes the Base64Url encoded header and payload, making the data readable.
Why use this tool?
Commonly used to verify token expiration times (exp), user roles (scope), and other claims without needing the private key or secret to verify the signature.