DeveloperToolsKitBETA

JWT Decoder & Verifier

Analyze JWT (JSON Web Token) tokens, view their content and check their validity.

About JWT

JWT (JSON Web Token) is a compact and self-contained method for securely transmitting information between parties. It is verifiable and trustworthy because it is digitally signed.

JWT Sections

  • Header: Token type and hash algorithm information
  • Payload: Carried data (claims) - user information, permissions, etc.
  • Signature: Digital signature that ensures token validity

Common Use Cases

  • Authentication
  • Information exchange
  • API security
  • Single Sign-On (SSO)