JWT Decoder & Debugger
JWT Token
Invalid JWT Token
Quick Examples:
About JWT Decoder & Debugger
The most comprehensive JWT tool available: decode, generate, and validate JWT tokens with real-time cryptographic verification, comprehensive claims analysis, multiple key format support, and professional code generation.
How to Use JWT Decoder & Debugger
- Switch between Decode and Generate modes using the toggle at the top
- Decode: Paste JWT tokens for instant parsing and comprehensive analysis
- Generate: Create custom tokens with your own headers, payloads, and keys
- Enable signature verification with support for all JWT algorithms and key formats
- View detailed claims explanations with security warnings and validation
- Export code examples in 7 programming languages for easy integration
- Use JWKS endpoints for enterprise-grade public key verification