Featured Extensions

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To Google Translate Featured

Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.

Rated 4 out of 5 stars (27)
58,683 users

Ecosia — The search engine that plants trees! Featured

Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia.org as the default search engine to your Firefox. Give it a try!

Rated 5 out of 5 stars (146)
228,148 users

Lightbeam for Firefox Featured

Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.

Rated 4 out of 5 stars (441)
380,624 users

Decentraleyes Featured

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Rated 5 out of 5 stars (90)
76,420 users

Reader Featured

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (65)
33,014 users

Tile Tabs Requires Restart Featured

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.

Rated 5 out of 5 stars (273)
79,181 users

OmniSidebar Featured

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!

Rated 5 out of 5 stars (125)
110,052 users

MailtoWebmails Featured

Tool for managing the default action when you click a "mailto:" link. Specializing in sharing details for Webmail services.

Rated 5 out of 5 stars (14)
5,219 users

Google search link fix Featured

This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.

Rated 5 out of 5 stars (173)
77,391 users

Duplicate Tabs Closer Featured

Detects and automatically closes duplicate tabs.

Rated 4 out of 5 stars (50)
7,611 users

Emoji Keyboard Featured

A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.

Rated 5 out of 5 stars (49)
90,566 users

Pearltrees Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (250)
18,239 users

History Submenus II Featured

Add sub-menus to History Menu for previous days' history.

Rated 5 out of 5 stars (49)
4,261 users

NoScript Security Suite Requires Restart Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,648)
2,169,920 users

CookieKeeper Featured

Extended Cookie Manager - Keep only wanted cookies.

Rated 4 out of 5 stars (67)
14,904 users

Gmail™ Notifier + Featured

Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.

Rated 4 out of 5 stars (86)
37,751 users

Cleanest Addon Manager Featured

Cleanup your Addon Manager

Rated 5 out of 5 stars (143)
16,372 users

DownThemAll! Featured

The first and only download manager/accelerator built inside Firefox!

Rated 4 out of 5 stars (1,851)
1,183,945 users

YouTube™ Flash-HTML5 Featured

Play YouTube™ Videos in Flash or HTML5 Player

Rated 4 out of 5 stars (24)
48,476 users

Proxy Switcher Featured

Access to the complete Firefox's proxy settings right from a toolbar panel

Rated 5 out of 5 stars (32)
38,282 users