Most Popular Extensions


HTML5 Video Everywhere! No Restart

Replace video player with Firefox native video player

Rated 4 out of 5 stars (49)
60,675 users

Adguard AdBlocker No Restart

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

Rated 5 out of 5 stars (95)
55,389 users

ExHentai Easy 2 No Restart

When accessing the user is presented with a photo of a sad panda. Access to the site is restricted to users of the sister site whom must manually copy their IPB cookie. This plugin automates this process.

Rated 4 out of 5 stars (11)
49,103 users

Clean Links No Restart Featured

Converts obfuscated or nested links to genuine clean links.


Rated 5 out of 5 stars (88)
43,198 users

Custom User-Agent String No Restart

Set custom User-Agent string. Also available for Firefox on Android.

Rated 3 out of 5 stars (8)
41,882 users

Location Guard No Restart

Hide your geographic location from websites. Report a fake location with the addition of random noise in order to protect your privacy. Per site settings with three configurable levels of accuracy or even the possibility to use a fixed location.

Rated 4 out of 5 stars (21)
41,403 users

about:addons-memory No Restart

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (95)
41,179 users

NO Google Analytics No Restart

Actively blocks Google Analytics from running on your Firefox, manually stopping the website you visit from tracking you!

Rated 4 out of 5 stars (17)
41,076 users

FB Phishing Protector No Restart

Protects you from Phishing or Scams (through XSS injection attacks) while you're on Facebook™ - Version 4.2 introduces a Tracking Protection feature as well.

Rated 5 out of 5 stars (26)
39,801 users

QuitNow No Restart Featured

Adds a Quit menu item back to Firefox / Mobile. With the original Mozilla branding!

Rated 4 out of 5 stars (78)
36,138 users

Eliminator Slajdów No Restart

Oglądaj galerie zdjęć bez slajdów na większości polskich portali. Wszystkie zdjęcia wyświetlają się na jednej stronie. Nie trzeba już przeładowywać całości przechodząc do następnego slajdu.

Rated 5 out of 5 stars (17)
33,143 users

I don't care about cookies No Restart

Get rid of annoying cookie warnings from tens of thousands of 'infected' websites!

Rated 5 out of 5 stars (36)
31,125 users

Quick Gestures No Restart

Touch & swipe gestures with single finger.

Rated 4 out of 5 stars (53)
28,084 users

Phony No Restart Featured

View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.

Rated 4 out of 5 stars (82)
28,025 users

Free Memory No Restart

An add-on to perform free-memory operations without visiting about:memory.
For Firefox 40+, try Free Memory 2.0

Rated 4 out of 5 stars (51)
27,454 users

Close Tab Button No Restart

Adds an ×-PageAction to close the tab

Rated 5 out of 5 stars (5)
27,011 users

Turbo Download Manager No Restart

a download manager with multi-threading support

Rated 5 out of 5 stars (10)
26,496 users

PriceBlink - Automatic Price Comparison & Coupons No Restart Featured

**As seen on the Today Show, USA Today, ABC News**

Automatically finds lower prices and money-saving coupons from thousands of retailers while you shop. PriceBlink stays hidden until you are shopping. US and UK.


Rated 4 out of 5 stars (102)
22,377 users

Todoist: To-Do list and Task Manager No Restart

Todoist is a leading online to-do list and task manager. We manage millions of to-dos and we are ready to manage yours as well!

Watch these intro videos 30 sec

Rated 3 out of 5 stars (40)
21,780 users

Print Friendly & PDF No Restart

Makes a Printer Friendly & PDF version of any webpage. Removes navigation, ads, and junk. Formats the page for print so you save paper and ink. Good for the environment and your wallet.

Rated 3 out of 5 stars (22)
19,481 users