🔐 JWT Decoder

Decode and inspect JWT tokens safely in your browser.

🔒 Security Notice: All decoding happens locally in your browser. Your tokens are never sent to our servers.
📖 What is JWT?

JSON Web Token (JWT) is a compact, URL-safe means of representing claims to be transferred between two parties.

Structure:
  • Header: Algorithm and token type
  • Payload: Claims/data
  • Signature: Verification