Firefox:Plugin
lastmod 2025-09-15created 2025-09-153 edits
Includes how to develop plugins.
Installing a self-developed plugin
Create a folder, save the "manifest.json" file and all related files in it, then proceed in the following order:
- In Firefox, go to
about:debugging. - Click the "This Firefox" tab on the left.
- Under Temporary Extensions, click the "Load Temporary Add-on..." button and select the manifest.json file.
- Once the extension is installed, click its icon in the toolbar to use it.
See also
- Firefox
- Firefox:Plugin:TabExporter - An extension developed with AI.
- Firefox:Plugin:DevToolsMediaPanel
- Firefox:DevTools