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 17,420,983 users
- 2. Video DownloadHelper 4,519,977 users
- 3. uBlock Origin 3,863,320 users
- 4. Easy Screenshot 2,535,690 users
- 5. NoScript Security Suite 2,261,553 users
- 6. Search and New Tab by Yahoo 1,829,428 users
- 7. Firebug 1,754,935 users
- 8. Ghostery 1,278,394 users
- 9. DownThemAll! 1,152,659 users
- 10. Greasemonkey 1,115,812 users
Featured Extensions See all »
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Blocks annoying video ads on YouTube, Facebook ads, banners and much more.This add-on is not compatible with your version of Firefox because of the following:
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).17,420,983 users -
Quickly and easily switch between popular user-agent strings.This add-on is not compatible with your version of Firefox because of the following:
66,633 users -
Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!This add-on is not compatible with your version of Firefox because of the following:
90,844 users -
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.This add-on is not compatible with your version of Firefox because of the following:
389,428 users -
Various enhancements for build-in "master password" (MP)This add-on is not compatible with your version of Firefox because of the following:
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows24,090 users -
Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.This add-on is not compatible with your version of Firefox because of the following:
79,138 users
Up & Coming Extensions See all »
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Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.This add-on is not compatible with your version of Firefox because of the following:
2,417 users -
Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.This add-on is not compatible with your version of Firefox because of the following:
9,631 users -
Bądź zawsze na bieżąco z najświeższymi informacjami z kraju i ze świata. Dodaj WP jako stronę startową w swojej przeglądarce.This add-on is not compatible with your version of Firefox because of the following:
4,630 users -
A shield Study add-on testing the search experience.
This add-on is not compatible with your version of Firefox because of the following:
1,972 users -
Mute newly created tabsThis add-on is not compatible with your version of Firefox because of the following:
2,189 users -
The Mozilla Firefox Onboarding ExperimentThis add-on is not compatible with your version of Firefox because of the following:
1,853 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 · 154 followers
To create your own collections, you must have a Mozilla Add-ons account.
