How to decode JWT tokens online

JWT (JSON Web Token) is a standard used for authentication and authorization in APIs. Utilo's JWT decoder allows you to view token content without needing complex tools.

What is a JWT?

A JWT is composed of three parts separated by dots: header, payload, and signature. The decoder shows these parts in a readable format.

How to decode a JWT

  1. Access the JWT Decoder tool.
  2. Paste the complete JWT token.
  3. The tool automatically decodes and shows header and payload.

Important: the tool only decodes and displays the content. To validate the signature, you need the server's secret key.