Top-Rated Extensions

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Decentraleyes No Restart 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 (57)
40,706 users

Google search link fix No Restart

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 (129)
68,220 users

Adblock Plus No Restart

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (4,821)
18,697,972 users

AdBlocker Ultimate No Restart

Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!

Rated 5 out of 5 stars (259)
343,940 users

Emoji Keyboard No Restart

A free Emoji Keyboard extension of the web tool http://emojikeyboard.org. This extension lets you input emojis right on the Firefox web browser of your computer.

Rated 5 out of 5 stars (32)
15,008 users

Restart

"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (53)
25,102 users

Dark Background and Light Text No Restart

Makes every page (or only pages that you want) to have light text on dark background. Exact colors are customizable.

Rated 5 out of 5 stars (72)
16,883 users

Extension Auto-Installer No Restart

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Rated 5 out of 5 stars (16)
3,585 users

about:addons-memory 2016 No Restart

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (19)
6,765 users

Speechify No Restart

An add-on to convert your text to speech

Rated 5 out of 5 stars (13)
1,814 users

Privacy Settings No Restart

Alter Firefox's built-in privacy settings easily with a toolbar panel.

Rated 5 out of 5 stars (44)
16,870 users

uBlock Origin No Restart Featured

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (572)
1,237,927 users

Adguard AdBlocker No Restart

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

Rated 5 out of 5 stars (202)
215,976 users

Hoxx VPN Proxy No Restart

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.

Rated 5 out of 5 stars (741)
63,208 users

lolifox - Fierr MOD

Replaces the error page with a lolifox appearance with additional features.

Rated 5 out of 5 stars (20)
3,878 users

HDS Link Detector No Restart

This add-on automatically detects the HDS videos being played in browser and generates proper command line required for downloading videos with AdobeHDS.php script.

Rated 5 out of 5 stars (17)
7,710 users

Simple Youtube Repeater No Restart

Simply click the repeat button to make the video automatically repeat. Works both with the newest HTML5 Player(version 2) and the old Flash Player(version 1).

Rated 5 out of 5 stars (11)
2,946 users

Pan No Restart

Block ads and manage proxy.

Rated 5 out of 5 stars (92)
4,085 users

Textmarker No Restart

Highlighter with different colors, saving options, customizable highlight styles and undo/redo functionality.
Select some text, press M - done.
Changes can be stored in Textmarker history for later visits.

Rated 5 out of 5 stars (21)
2,249 users

Aliexpress Shopping Assistant No Restart

Compare price, Track historical price; Get price drop alert; Analyze seller ratings; Search by image;
Сравнение Цен; Цена отслеживания; История цены; Анализ рейтинга продавцов

Rated 5 out of 5 stars (10)
2,018 users