JWT Generator Online

Sign a JSON claims object as an HS256 JWT with a UTF-8 shared secret of at least 32 bytes. Free jwt generator online, with no installation or account.

Tool capabilities

Input: TXT
Output: TXT · JSON

How to use JWT Generator

Sign a JSON claims object as an HS256 JWT with a UTF-8 shared secret of at least 32 bytes. This jwt generator works directly in your browser and is free to use without an account.

Paste or open your input in the editor.
Run the tool and inspect the output. If the input is invalid, correct the reported error and run it again.
Copy the result or download it to your device.

JWT Generator · Example

Input

{"sub":"example","iss":"example.invalid","exp":1800000000}

Output

eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJleGFtcGxlIiwiaXNzIjoiZXhhbXBsZS5pbnZhbGlkIiwiZXhwIjoxODAwMDAwMDAwfQ.1dUiEyqDZFD8rd2SnPtaRg0M8lC9v3GITmuIqUOlQOk

Sign a JSON claims object as an HS256 JWT with a UTF-8 shared secret of at least 32 bytes.

Usage notes

Inputs and results are processed on this device. Tool content is not sent to a processing server.

JWT Generator