Featured Extensions


Download YouTube Videos as MP4 No Restart Featured

An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.

Rated 4 out of 5 stars (358)
1,030,482 users

User Agent Switcher Featured

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Rated 4 out of 5 stars (251)
372,988 users

Classic Toolbar Buttons No Restart Featured

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (144)
40,437 users

Screengrab (fix version) Featured

Screengrab! saves webpages as images.
0.98 released!
New features: upload to internet

Rated 5 out of 5 stars (259)
146,638 users

Fastest Search - Browse/Shop Faster! No Restart Featured

Search/browse/shop faster than ever! Ctrl-Shift-F for whole-word/regex/all tabs/diacritic search;create custom engines;shopping assistant compares price;Smart SearchBox;Preview results;Auto copy plain text, dnd save image/open link.Use v3.363(below)!

Rated 5 out of 5 stars (147)
11,885 users

DuckDuckGo Plus No Restart Featured

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!

Rated 4 out of 5 stars (137)
153,179 users

Greasemonkey Featured

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Rated 4 out of 5 stars (959)
1,273,056 users

Keyword Search No Restart Featured

Search in the awesome bar without changing your search engine.

Rated 5 out of 5 stars (80)
12,202 users

Add Google Search To New Tab Page Featured

An extension that adds a Google search box to the standard Firefox new tab page

Rated 4 out of 5 stars (25)
38,612 users

Disconnect Featured

Make the web faster, more private, and more secure.

Rated 4 out of 5 stars (152)
277,897 users

YouTube Unblocker No Restart Featured

Watch blocked YouTube videos – YouTube proxy-server, only if needed!

✓ free unblocking of YouTube videos /-search
✓ unblock embedded videos (e.g. Facebook)
✓ unblocking via proxy (no VPN)
✓ fast unblocking + fast streaming (HD)
✓ totally legal

Rated 4 out of 5 stars (125)
264,288 users

BugMeNot No Restart Featured

Bypass compulsory web registration with the context menu via www.bugmenot.com.

Rated 4 out of 5 stars (225)
40,003 users

Cleanest Addon Manager No Restart Featured

Cleanup your Addon Manager

Rated 5 out of 5 stars (128)
22,761 users

Blur No Restart Featured

Protect your Passwords, Payments, and Privacy.

Rated 3 out of 5 stars (703)
261,286 users

Pray Times! Featured

Display daily Muslim prayer times.

Rated 5 out of 5 stars (366)
12,133 users

Video Resumer No Restart Featured

Automatically resumes YouTube videos from where you played them last. Without this extension, for example, when you click through YouTube videos, back and forth, they always start from the beginning.

Rated 4 out of 5 stars (46)
19,578 users

FireTube (Youtube Music Player) No Restart Featured

Listen to free, unlimited music with FireTube.
Simply search the artist or song of your choice and enjoy.

Take FireTube on-the-go with the Android app.

Rated 4 out of 5 stars (107)
20,824 users

Integrated Inbox for Gmail and Google Apps No Restart Featured

Tired of having multiple tabs open just to view your favorite Google services and other Apps like Feedly, Evernote, Twitter and more? Now you can see them right from your Gmail Inbox.

Install now or visit www.integratedinbox.com for more info.

Rated 5 out of 5 stars (265)
17,392 users

LeechBlock Featured

LeechBlock is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

Rated 5 out of 5 stars (523)
80,683 users

YouTube Anywhere Player No Restart Featured

Watch videos anywhere in cinema mode without leaving the website you're on.

Rated 5 out of 5 stars (58)
29,230 users