JWT Generator

What it does

Create HS256/HS384/HS512-signed JWT tokens from a header, payload, and secret. Runs entirely in your browser.

Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.

How to use it

1. Fill in the inputs or drop your file.
2. Click the primary button to run.
3. Copy or download the result.