Top-Rated Extensions


Skip skip!!

This addon allows you to skip automatically advertising
Basically when the page loads the site with various advertisements, the add-on does go directly to the site you want, but waiting a few seconds.
It is compatible with Android.

Rated 5 out of 5 stars (23)
8,275 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (22)
8,919 users


Block ads and manage proxy.

Rated 5 out of 5 stars (97)
4,617 users

Toggle animated GIFs

Start/stop GIF animations through a keyboard shortcut or by clicking them. You can also restart animations from the beginning, or disable animations by default.

Rated 5 out of 5 stars (69)
17,968 users


Makes YouTube stream H.264 videos instead of VP8/VP9 videos

Rated 5 out of 5 stars (14)
14,623 users

Remote XUL Manager

Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.

Rated 5 out of 5 stars (36)
82,281 users

GitHub Extension Installer

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (9)
2,906 users

Clean Links Featured

Converts obfuscated or nested links to genuine clean links.


Rated 5 out of 5 stars (111)
43,868 users

Fit Text To Width

Fits text on most web pages to the width of your phone, automatically and quickly.

Rated 5 out of 5 stars (11)
1,820 users

FireX Proxy

FireX Proxy extension.

Rated 5 out of 5 stars (20)
9,646 users

Polskie Radio podcast download

Obsługa wbudowanego playera, aktualizuj:

Dodaje opcję pobierania (link "Pobierz") podcastów ze stron Polskiego Radia do plików MP3/FLV na dysk.

Rated 5 out of 5 stars (13)
1,634 users

Disable WebRTC

WebRTC leaks your actual IP addresses from behind your VPN, by default.

Rated 5 out of 5 stars (33)
46,478 users

Fierr Requires Restart

Replaces the error page with a more stylish appearance with additional features.

Rated 5 out of 5 stars (50)
2,111 users

Bluhell Firewall Featured

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 5 out of 5 stars (300)
109,937 users


Improving the Steam User Experience by giving the user information that can help make purchase decisions. We display stats about each game on steam on the store page! Super Steam is based on Enhanced Steam by jshackles. This add-on is 100% free.

Rated 5 out of 5 stars (10)
3,182 users

HDS Link Detector

This add-on automatically detects the HDS videos being played in browser and generates proper command line required for downloading videos with AdobeHDS.php script.

Rated 5 out of 5 stars (20)
8,029 users

Wikiwand: Wikipedia Modernized

Good old Wikipedia gets a great new look

Rated 5 out of 5 stars (150)
13,171 users

Native AdBlocker

한국 웹의 광고를 효율적으로 차단합니다.

Rated 5 out of 5 stars (7)
534 users


UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 4 out of 5 stars (229)
95,458 users

Lightweight Themes Switcher Featured

Change the Lightweight Themes easily from the menu.

Rated 5 out of 5 stars (16)
1,723 users