Developer Tool
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, and expiration info instantly.
What is a JWT?
JSON Web Token (JWT) is a compact, URL-safe token format used for securely transmitting information between parties. JWTs are commonly used for authentication and information exchange.
JWT Structure
- Header: Algorithm and token type
- Payload: Claims (user data, expiration, etc.)
- Signature: Verification hash
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