JWT Decoder
Decode, verify, and explore JSON Web Tokens.
Encoded JWT
Loading editor...
Header
Your header will appear here.
Payload
Your payload will appear here.
Signature Verification
About JWT Tokens
Structure
- Header (Algorithm & Token Type)
- Payload (Claims)
- Signature
Common Use Cases
- Authentication
- Information Exchange
- Authorization
- API Security
Security Tips
- Never store sensitive data in JWT
- Use strong secret keys
- Set appropriate expiration times
- Validate tokens on the server