JWT Decoder
Decode and inspect JSON Web Tokens (JWT). View header, payload, and signature information instantly without verification.
About JSON Web Tokens (JWT)
JWT is an open standard (RFC 7519) for securely transmitting information between parties as a JSON object. JWTs consist of three parts: Header, Payload, and Signature, separated by dots (.).
Common Uses
- ✓ Authentication
- ✓ Information exchange
- ✓ API authorization
- ✓ Single sign-on (SSO)
Security Notes
- ! Decode only, no verification
- ! Payload is not encrypted
- ! Don't store sensitive data
- ✓ 100% client-side