JWT Decoding

JSON Web Token (JWT) is an open standard for securely transmitting information. Use this tool to view the Header and Payload parts of a JWT without a key.

Note: This tool runs only on the client side, your Token will not be sent to the server.

Base64 Encoding/Decoding

Base64 is an encoding method for converting binary data into ASCII characters, commonly used for transmitting data in URLs, Cookies, or other text-only places.

Common Scenarios

• Debug API Authentication Issues (Debug Auth)
• Check Token Expiration Time (Check Expiration)
• Encode Image or File Data (Encode Data)