JWT Generator
Generate JWT Token online
Common Claims
Header JSON format
Payload JSON format — auto-merged with claims above
Base64Url Encoding Preview
Header:
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9Payload:
eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIn0JWT Token Generator User Guide
Features
- Multi-algorithm Support - HS256, HS384, HS512, RS256
- Live Preview - Base64Url encoding of Header and Payload
- Common Claims - Quick config for iss, sub, aud, exp, iat
- Expiration Settings - Auto-calculate exp timestamp
- Local Generation - All computation done locally, data never uploaded
Use Cases
- API debugging and testing
- Learn and understand JWT structure
- Generate test tokens for development
- Verify JWT decode results
- Authentication system development