JWT Decoder

Decode JWT tokens instantly in your browser. No data is uploaded or stored.

JWT Token

Header

Payload

What is JWT?

JWT (JSON Web Token) is a compact token format commonly used for authentication, authorization and secure data exchange.

Why use a JWT decoder?

A JWT decoder helps developers inspect token payloads, expiration dates and claims without sending data to external servers.

Features

• Decode JWT tokens instantly
• Syntax highlighted JSON output
• Fully client-side processing
• Lightweight and offline-friendly