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JWT Decoder

Decode and inspect JSON Web Tokens. View headers, payloads, and verify token structure.

Input JWT Token

ℹ️ What is JWT?

  • • JWT (JSON Web Token) is a compact URL-safe means of representing claims
  • • Consists of 3 parts: Header, Payload, and Signature
  • • Commonly used for authentication and information exchange
  • • Parts are separated by dots (.)
  • • Header and Payload are Base64 encoded (not encrypted)

✨ Features

  • ✓Decode JWT headers and payloads
  • ✓Verify token structure
  • ✓View signature for verification
  • ✓Copy individual sections
  • ✓Load sample JWT for testing