CodeTweak by MrBlankCoding
CodeTweak is a modern Manifest V3 userscript manager for Firefox with a built-in editor, GM API support, and custom AI userscript generation features.
Available on Firefox for Android™Available on Firefox for Android™
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About this extension
CodeTweak helps you develop, edit, and run userscripts in Firefox, all from a centralized extension. Enable or disable scripts, target specific URL patterns, generate AI-powered scripts, and use the built-in code editor to help you write safer and more precise userscripts.
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Permissions and data
Required permissions:
- Input data to the clipboard
- Download files and read and modify the browser’s download history
- Display notifications to you
- Access browser tabs
- Access browser activity during navigation
- Access your data for all web sites
Optional permissions:
- Access your data for all web sites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.1
- Size
- 961.73 kB
- Last updated
- 6 days ago (14 Feb 2026)
- Related Categories
- Licence
- MIT Licence
- Version History
- Tags
- Add to collection