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Preview of CodeTweak

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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Extension Metadata

Screenshots
Code EditorCodeTweak dashboardAi Copilot
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 websites

Optional permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
Learn more
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
1.0.1
Size
961.73 KB
Last updated
a month ago (Feb 14, 2026)
Related Categories
  • Web Development
  • Search Tools
  • Appearance
License
MIT License
Version History
  • See all versions
Tags
  • user scripts
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