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JWT Generator

Create a signed JWT (HS256) from header and payload.

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What is JWT Generator?

Build a JWT with custom header and payload, signed with HS256. For testing only; keep the secret secure in production.

FAQ

Is this tool free to use?

Yes. This tool is available to use for free.

Does the tool run in the browser?

Yes. The logic runs client-side in your browser.

Is my data uploaded to a server?

No. Your input stays in your browser and is not uploaded by this tool.

Can I use this tool for large files?

It depends on your device and browser. Very large inputs may be slow; for huge files, use a local CLI tool.

Example usage

Input

HS256, payload

Output

eyJhbGciOiJIUzI1NiJ9...

How to use

  1. Edit header and payload JSON
  2. Enter the HMAC secret
  3. Click Generate to get the signed JWT

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