JWT Decoder
Decode JWT tokens to view header, payload, and signature. All processing happens locally.
FAQ
Is my JWT sent to a server?
No. All processing happens locally in your browser.
Can this tool verify JWT signatures?
No. This tool only decodes the JWT to show its contents. Signature verification requires the secret key.
What is a JWT?
JWT (JSON Web Token) is a compact, URL-safe token format used for authentication and authorization. It consists of three parts: header, payload, and signature, separated by dots.