Most Popular Extensions

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ipFlood Requires Restart

Simulate the use of a series of proxy changing at each new connection.

Rated 5 out of 5 stars (41)
160,658 users

Belgium eID Requires Restart

Use the Belgian electronic identity card (eID) in Firefox

Rated 3 out of 5 stars (95)
157,111 users

xThunder Requires Restart

Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.

Rated 5 out of 5 stars (90)
155,606 users

ProxTube - Unblock YouTube

In some countries YouTube videos are blocked! Unblock them with this Addon.
Supported countries: Germany, Netherlands, Spain, ...? not US compatible
Status+Support: proxtube.com & Twitter: twitter.com/ProxTube (EN/DE)

Rated 4 out of 5 stars (243)
152,673 users

Qwant for Firefox

Qwant is the European search engine that does not track you. This extension makes Qwant your default search engine and homepage as well as allowing you to easily extend Firefox Tracking Protection to the whole Web.

Rated 4 out of 5 stars (48)
149,761 users

ZenMate Security & Privacy VPN

Please note that this add-on has been replaced with a complete WebExtensions powered rewrite to be compatible with Firefox 57.0 and above. Download the new ZenMate for Firefox here: https://addons.mozilla.org/en-US/firefox/addon/zenmate-vpn/

Rated 3 out of 5 stars (364)
142,986 users

ColorfulTabs Requires Restart

The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.

Rated 4 out of 5 stars (975)
142,541 users

SQLite Manager Requires Restart

Manage any SQLite database on your computer.

Rated 4 out of 5 stars (84)
139,372 users

Random Agent Spoofer

Rotates complete browser profiles ( from real browsers / devices ) at a user defined time interval. It includes many extra privacy enhancing options

Rated 4 out of 5 stars (161)
133,272 users

Honey Compatible with Firefox 57+ Featured

Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.

Rated 4 out of 5 stars (215)
131,994 users

Speed Dial [FVD] - New Tab Page, Sync...

FVD Speed Dial - Speed dial button, online synchronization, new tab start page, bookmark organization, custom backgrounds, custom dials, groups, mobile apps, most-visited dials.

Rated 5 out of 5 stars (2,396)
126,091 users

Menu Wizard Requires Restart

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (208)
125,803 users

MinimizeToTray revived Requires Restart

Minimizes windows into the system tray.

Rated 4 out of 5 stars (342)
124,771 users

All-in-One Sidebar Requires Restart

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Rated 5 out of 5 stars (1,471)
123,287 users

BlockSite Requires Restart

BlockSite is an extension, which automagically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.

Rated 3 out of 5 stars (563)
122,194 users

New Tab Override (WebExtension) Compatible with Firefox 57+ Featured

New Tab Override brings back the ability to change the page which is shown when opening a new tab.

Rated 5 out of 5 stars (184)
121,418 users

Selenium IDE Requires Restart

Selenium IDE is an integrated development environment for Selenium tests. It is implemented as a Firefox extension, and allows you to record, edit, and debug tests.

Rated 4 out of 5 stars (66)
119,653 users

Public Fox Requires Restart

Block downloads, lock down bookmarks/addons/downloads with a password.

Rated 4 out of 5 stars (175)
119,552 users

RESTClient, a debugger for RESTful web services. Requires Restart

Notice: some important features (XML indentation and load old saved requests) are missing in version 2.0.0, please update to version 2.0.1.

Please follow the link ("View other versions") below To install version 2.0.1.

Rated 4 out of 5 stars (110)
119,410 users

Add-ons Manager Context Menu Requires Restart

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (40)
115,736 users