JWT Parser
Decode and inspect JWT tokens
How to Use
1
Paste JWT
Enter your JWT token in the input field.
2
View header
See the algorithm and token type.
3
View payload
Inspect claims, expiration, and custom data.
4
Check expiration
See if the token is expired and when.
Frequently Asked Questions
What is a JWT?
JSON Web Token is a compact, URL-safe token format for securely transmitting information. It has header, payload, and signature parts.
Can I decode expired tokens?
Yes, you can decode and view any JWT regardless of expiration. The expiration time is shown in the payload.
Is my JWT data private?
Yes, all decoding happens locally in your browser. Your tokens never leave your device.