JWT Decoder
Decode and verify JSON Web Tokens with our free online JWT decoder. View token payload, header, and signature. Perfect for developers and API testing. No registration required.
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Decoded JWT
Header
Payload
Signature
About JWT Decoding
JWT decoding is essential for API development, authentication testing, and security verification. Our tool helps you decode and analyze JSON Web Tokens for various development purposes.
Key Features
- Token decoding
- Payload viewing
- Header analysis
- Signature verification
- Instant results
- Error detection
Benefits of JWT Decoding
- API testing
- Security verification
- Debugging support
- Token validation
- Development aid
- Learning tool
Common Use Cases
- API development
- Authentication testing
- Security analysis
- Token debugging
- Development workflow
- Learning purposes
Technical Details
Our JWT decoder includes advanced features:
- Token parsing
- Payload analysis
- Header inspection
- Signature checking
- Error reporting
- Format validation
Best Practices
- Validate tokens
- Check signatures
- Verify claims
- Monitor expiration
- Secure handling
- Regular testing
Security Tips
For optimal JWT handling:
- Use secure tokens
- Verify signatures
- Check expiration
- Validate claims
- Secure storage
- Regular updates