Security Tools
JWT Decoder
Paste your JWT here to decode it. Done 100% client-side for security.
{}{}Signature Verified (Simulator)
Overview
What Is JWT Decoder?
Decode JSON Web Tokens (JWT) to view their header, payload, and signature without sending them to a server.
FAQ
Frequently Asked Questions
Decode JSON Web Tokens (JWT) to view their header, payload, and signature without sending them to a server.
Yes, JWT Decoder is completely free. There are no hidden charges, no subscription, and no credit card required. Just open the tool and start using it instantly.
No account or signup is required. You can use JWT Decoder immediately without registering. Just visit the page and the tool is ready to use.
Yes, JWT Decoder is fully responsive and works on all modern devices including smartphones, tablets, and desktops. Any up-to-date browser is supported.
No. JWT Decoder runs entirely in your browser using JavaScript. Your code and data are never sent to or stored on any server, keeping your work private and secure.