What is a JWT Token?
A JSON Web Token (JWT) is a compact, URL-safe token used for authentication and information exchange. It consists of three parts: header, payload, and signature.
How to Use JWT Parser
- Paste your JWT token into the input box above
- The tool will automatically decode it
- View decoded header and payload instantly
Example JWT
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9
.
eyJ1c2VySWQiOjEyMywibmFtZSI6IkpvaG4ifQ
.
signature
Why Use This JWT Parser?
- 100% client-side (no token upload)
- Secure and private
- Instant decoding
- Supports large tokens
FAQ
Is this JWT parser safe?
Yes. Your token is processed locally in your browser and never sent to any server.
Can I verify JWT signature?
Yes, you can verify JWT signatures depending on the algorithm used using the Signature verification box above.
Is this tool free?
Yes, it is completely free.