JWT Decoder Tool

JWT token parser and validator supporting Header, Payload, Signature parsing with token expiration and status checking

Input JWT Token

Instructions

What is JWT?

• Abbreviation for JSON Web Token
• Open standard for securely transmitting information
• Consists of Header, Payload, and Signature parts
• Commonly used for authentication and information exchange

How to Use

• Paste JWT token into the input field
• Tool will automatically parse and display structure
• View detailed information of Header and Payload
• Check token expiration and status
• Copy parts content for analysis