Top-Rated Extensions

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Play/Pause

Adds a Play/Pause toggle onto tabs that contain an HTML5 audio/video player.

Rated 5 out of 5 stars (26)
3,137 users

Sun Cult Requires Restart

Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...

Rated 5 out of 5 stars (116)
4,110 users

Classic Bookmarks Button Requires Restart

Mainly for Firefox 29+!

This add-on restores bookmarks menu known from older Firefox versions on Firefox Australis.

Use 'Customize (Toolbar)' menu to place the new bookmarks button on your favorite toolbar.

Rated 5 out of 5 stars (26)
3,673 users

Policeman

Policeman gives you precise control over what web requests are allowed. Create rules based on domain name and type of resource being requested. It can also be used to improve privacy or block cross-site scripts.

Rated 5 out of 5 stars (49)
3,708 users

Addons Manager Hilite

Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.

Rated 5 out of 5 stars (19)
703 users

Live Start Page LST

Live new tab page: living photos in your browser, weather, to-do list, and bookmark tiles

Rated 5 out of 5 stars (29)
5,670 users

Image Search Options Requires Restart

Image Search Options provides a set of highly customizable reverse image search context menu options.

Rated 5 out of 5 stars (72)
18,058 users

Humancharacterguess

This addon predicts your character based on date of birth
This add on would be added to addon bar above the taskbar with name HCGdora and click on it to open

Rated 5 out of 5 stars (17)
81 users

Edit Middle Requires Restart

Show AwesomeBar results when editing in the middle (not just at the end)

Rated 5 out of 5 stars (17)
20 users

DblClicker

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

Rated 5 out of 5 stars (72)
3,357 users

Secure Password Generator Requires Restart

Easy to use add-on to create random secure passwords.

Rated 5 out of 5 stars (19)
2,220 users

Better URL Bar

Makes the URL bar and Search bar more readable, and the navigation-toolbar compact.

Rated 5 out of 5 stars (19)
1,288 users

Potplayer Youtube Shortcut Requires Restart

Quickly play or add a Youtube video (playlist) to Potplayer from the context menu or using the buttons on the site and also via middle-click

Rated 5 out of 5 stars (32)
2,780 users

Hoxx VPN Proxy

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

Rated 5 out of 5 stars (1,670)
141,480 users

bioFOX Requires Restart

Bioinformatics tools on Mozilla based browsers

Rated 5 out of 5 stars (20)
335 users

Simple YouTube MP3 Button

Adds a small and simple button to YouTube videos that allows you to quickly download the audio of the video as an MP3 file (quality of the MP3 is as high as the video offers) without having to leave the page.

Rated 5 out of 5 stars (48)
37,485 users

Double Click Closes Tab Requires Restart

The fastest (yet safe) addon to close tab using mouse only! Close any tab by double clicking the tab. Close current tab by triple click anywhere on the page. Optionally middle click or double right click on page to close tab.

Rated 5 out of 5 stars (38)
4,056 users

Select like a Boss

Select link's text just like a regular text (like in Opera'12 browser) - Select like a Boss ;)

Rated 5 out of 5 stars (38)
3,285 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 (86)
186,860 users

PrefBar Requires Restart

The all in one toolbar(item). Houses and manages bigger amounts of buttons (Clear Cache, Clear Cookies, ...), Menus (User Agent spoof...) and checkboxes (Javascript, Flash, ...). Extensible from online-database or with self created buttons.

Rated 5 out of 5 stars (41)
22,630 users