Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseMost Popular All »
- 1. Adblock Plus 14,313,599 users
- 2. uBlock Origin 3,801,265 users
- 3. Video DownloadHelper 3,662,212 users
- 4. Easy Screenshot 2,322,398 users
- 5. NoScript Security Suite 1,744,611 users
- 6. Firebug 1,425,607 users
- 7. Ghostery 999,541 users
- 8. DownThemAll! 963,011 users
- 9. Greasemonkey 901,686 users
- 10. Download YouTube Videos as MP4 891,724 users
Featured Extensions See all »
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Search in the address bar without changing your search engine.This add-on is not compatible with your version of Firefox because of the following:
6,305 users -
Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.This add-on is not compatible with your version of Firefox because of the following:
62,051 users -
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.This add-on is not compatible with your version of Firefox because of the following:
35,368 users -
Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.This add-on is not compatible with your version of Firefox because of the following:
62,236 users -
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.This add-on is not compatible with your version of Firefox because of the following:
93,682 users -
Tool for managing the default action when you click a "mailto:" link. Specializing in sharing details for Webmail services.This add-on is not compatible with your version of Firefox because of the following:
3,581 users
Up & Coming Extensions See all »
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A Firefox Shield study to learn more about users' understanding of how the web works.This add-on is not compatible with your version of Firefox because of the following:
2,920 users -
Download videos from web sites and avoid compromising entries in your browser history.This add-on is not compatible with your version of Firefox because of the following:
6,507 users -
Allows user to block gif images on a web page.This add-on is not compatible with your version of Firefox because of the following:
16,229 users -
when activated, interrupts the built-in download manager to direct links to IDMan (Internet Download Manager)This add-on is not compatible with your version of Firefox because of the following:
6,600 users -
YouTube AdBlock and Video Downloader - SmarttubeThis add-on is not compatible with your version of Firefox because of the following:
16,059 users -
Simulate the use of a series of proxy changing at each new connection.This add-on is not compatible with your version of Firefox because of the following:
80,439 users
Featured Themes See all »
Featured Collections See all »
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Winter Themes
Give your Firefox a winter wardrobe change!
15 add-ons · 185 followers
To create your own collections, you must have a Mozilla Add-ons account.
