Top-Rated Extensions

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Ubuntu-it Menu Requires Restart

Quick navigation menu through all the resources of the Italian community of the Linux distribution Ubuntu (www.ubuntu-it.org). Allow also a quick navigation through some resources of other Ubuntu communities including the international one.

Rated 5 out of 5 stars (20)
997 users

Magic Actions for YouTube™ Compatible with Firefox 57+

Enhance your YouTube watching experience! Auto HD, Ad Block, Cinema Mode, Mouse Wheel Volume Control, Screenshot...

Rated 5 out of 5 stars (188)
43,625 users

Duplicate in Tab Context Menu

Simply adds "Duplicate Tab" to tab context menu.

Rated 5 out of 5 stars (60)
15,064 users

QuickMark Featured

A quick and minimalistic way to create bookmarks.

Rated 5 out of 5 stars (50)
11,873 users

Twitter App

Twitter App brings Twitter right into your Firefox Sidebar.

Rated 5 out of 5 stars (19)
12,452 users

HTitle (discontinued) Requires Restart

Hide title bar if window is maximized.

[!] This add-on has been discontinued.

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

Rated 5 out of 5 stars (118)
8,348 users

YouTube Flash Player

A very lightweight add-on that allows you to watch YouTube™ videos using Flash® Player instead of the default HTML5 player. The Flash® Player will consume less material resources (CPU, RAM) if your PC doesn't easily support HTML5 videos. Try it!

Rated 5 out of 5 stars (73)
363,518 users

New Add-on Bar Requires Restart

Restore add-on bar which was removed in the Australis theme.

Rated 5 out of 5 stars (24)
5,635 users

Change Search Shortcut Requires Restart

Allows to change the search shortcut. After the comedy with Panorama taking over CTRL+E, then switching to CTRL+SHIFT+E, without restoring CTRL+E, I've decided to make this very simple plug-in to allow people to choose their own shortcut.

Rated 5 out of 5 stars (19)
323 users

Old Default Image Style

Restores the default image style used for top-level images in previous versions of Firefox.

Rated 5 out of 5 stars (97)
6,995 users

Element Hiding Helper for Adblock Plus

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Rated 5 out of 5 stars (428)
508,432 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 (101)
78,777 users

Webmaster SAPE Requires Restart

Toolbar contains a set of functions, which expands the abilities of webmasters and optimizers, when working in the interface of SAPE exchange.

Rated 5 out of 5 stars (168)
6,250 users

All Tabs Helper Requires Restart

Transforms "List all tabs" menu to do closing, loading, unloading, moving of single/multiple tabs. Search tab titles or *content* (remember "Find In Tabs"?), visited tabs history, find duplicate tabs - very helpful for mega-tab users. And more...

Rated 5 out of 5 stars (71)
6,325 users

AdBlocker Ultimate Featured

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 (1,357)
413,644 users

Octotree

Add-on to display GitHub code in tree format

Rated 5 out of 5 stars (18)
3,354 users

Download Manager (S3) Requires Restart

View and manage downloads from a tidy statusbar

This is a new life in Firefox 26+ for old well-known addon Download Statusbar

New Features: Replace Downloads Library page.
Now you have full control of your downloads history!

Rated 5 out of 5 stars (232)
88,218 users

Google search link fix Compatible with Firefox 57+ 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 (189)
76,711 users

Dark Background and Light Text

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 (159)
44,392 users

Lyrics Here by Rob W

Instant lyrics on YouTube, Spotify, Deezer, 8tracks, SoundCloud and many other music sites in a flexible panel. 40+ sources ensure that lyrics are always found. Simple to use and highly customizable. (formerly called "YouTube Lyrics by Rob W")

Rated 5 out of 5 stars (40)
6,366 users