Top-Rated Extensions

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EasyAccent

Allows entry of accented characters using natural shortcuts.

Rated 5 out of 5 stars (19)
1,566 users

DblClicker No Restart

Double-click action for Firefox -
double-click Link, Bookmark/History to open in new tab (emulate ctrl+click).

Rated 5 out of 5 stars (65)
3,851 users

Send Link in context menu

Add Send Link back into context menu. This item was removed in Firefox 16.

Rated 5 out of 5 stars (32)
3,743 users

QuickJava Featured

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Rated 5 out of 5 stars (246)
279,325 users

ScrapBook X

Helps you save web pages and organize your collection. This addon is based on ScrapBook by Gomita and ScrapBook Plus by haselnuss.

Rated 5 out of 5 stars (21)
1,500 users

HTitle

Hide title bar if window is maximized.

This extension created only for GNOME 3. It can create problems with another DE (KDE, XFCE, etc). However, you can use HTitle at your own risk (need enable "legacy" mode on settings page).

Rated 5 out of 5 stars (86)
7,016 users

Saved Password Editor Featured

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (194)
93,969 users

Find To Center

It is displayed a find word by the screen center

Rated 5 out of 5 stars (15)
1,055 users

Adblock Plus Pop-up Addon Featured

Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.

Rated 5 out of 5 stars (171)
1,275,818 users

Ziftr Alerts (formerly FreePriceAlerts) No Restart

You do the shopping. We'll do the searching. It's that simple.

Rated 5 out of 5 stars (22)
11,222 users

Mandarin Popup

Popup chinese dictionary for English-speakers learning Mandarin.

Rated 5 out of 5 stars (22)
627 users

Free Play Club

Menu per il Forum Free Play Club

Rated 5 out of 5 stars (22)
2 users

Console²

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

Rated 5 out of 5 stars (47)
11,543 users

Menu Wizard Featured

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 (92)
14,479 users

Random Agent Spoofer No Restart

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

Rated 5 out of 5 stars (67)
28,738 users

Copy Link URL

Copy the URLs of the selected links to clipboard.

Rated 5 out of 5 stars (42)
14,328 users

Better HKGolden

Improve HKGolden Forum, including layout cleanup and advertisements removal

Rated 5 out of 5 stars (68)
339 users

VimFx No Restart

VimFx introduces Vim-style keyboard shortcuts for browsing and navigation without using the mouse.

Rated 5 out of 5 stars (105)
9,181 users

GNotifier No Restart

Add-on for Firefox and Thunderbird. Integrates Firefox's notifications with the OS's native notification system. It supports most Linux desktops and Windows 8.

Rated 5 out of 5 stars (38)
10,898 users

A Bit Better RTM

Small improvements for Remember The Milk interface (original greasemonkey script "A Bit Better RTM" - http://userscripts.org/scripts/show/32518)

Rated 5 out of 5 stars (32)
1,096 users