Decode JWT Tokens
Decode and inspect JSON Web Tokens (JWTs). Our free decoder shows the header, payload, and signature components. Check token expiration, view claims, and debug authentication issues.
How to Use This Calculator
- Paste your JWT token
- View decoded header and payload
- Check expiration status
- Inspect all claims
Features
- Header decoding
- Payload inspection
- Expiration check
- Claims display
- Algorithm identification
Frequently Asked Questions
Is this JWT Decoder free to use?
Yes, our JWT Decoder is completely free to use with no registration or signup required. Use it as many times as you need.
How accurate is the JWT Decoder?
Our calculator uses standard mathematical formulas and provides accurate results. For critical financial or health decisions, always consult with a qualified professional.
Does this tool work on mobile devices?
Yes, this tool is fully responsive and works on all devices including smartphones, tablets, and desktop computers.