Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
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Choose from thousands of extra features and styles to make Firefox your own.
CloseMost Popular All »
- 1. DOM Inspector 23,053 users
- 2. ChatZilla 21,578 users
- 3. Open Google Calendar 18,214 users
- 4. StartupMaster 14,973 users
- 5. ReminderFox 14,782 users
- 6. FireTray 12,491 users
- 7. JavaScript Debugger 12,122 users
- 8. MinimizeToTray revived 10,728 users
- 9. Toolbar Buttons 7,573 users
- 10. ProfileSwitcher 7,252 users
Up & Coming Extensions See all »
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For work with new versions, use autoconfiguration module https://mozillagpo.sourceforge.io/
Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy948 users -
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.23,053 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)18,214 users -
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.1,023 users
Featured Collections See all »
To create your own collections, you must have a Mozilla Add-ons account.
