Extensions by Weekly Downloads

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Adblock Plus No Restart

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (4,865)
1,412,272 weekly downloads

Flash Video Downloader - YouTube HD Download [4K]

Flash Video Downloader helps you to download any video (flv, mp4, HD) from YouTube-like, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download

Rated 4 out of 5 stars (535)
161,076 weekly downloads

Ghostery No Restart Featured

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Rated 5 out of 5 stars (1,137)
86,914 weekly downloads

Adblock Edge No Restart

Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.

**This addon will be discontinued on June 2015**

Rated 5 out of 5 stars (264)
53,944 weekly downloads

µBlock No Restart

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (163)
46,817 weekly downloads

Stylish Featured

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (733)
30,002 weekly downloads

LastPass Password Manager Featured

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Rated 4 out of 5 stars (1,197)
29,144 weekly downloads

Youtube Downloader 4K - Video Downloader

Download from YouTube 4K videos and thousands other video websites.

Rated 4 out of 5 stars (13)
26,991 weekly downloads

SaveFrom.net helper all-in-1 / youtube downloader No Restart

SaveFrom.net helper will enable you to download files from YouTube.com, FaceBook.com, Vimeo.com, Daylimotion.com, VK.com, Odnoklassnoki.ru, Soundcloud.com and more than 40 other just in one click.

Rated 4 out of 5 stars (182)
20,824 weekly downloads

Phony No Restart Featured

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

Rated 4 out of 5 stars (80)
16,294 weekly downloads

Video WithOut Flash No Restart

Watch videos without flash

Rated 4 out of 5 stars (48)
15,420 weekly downloads

Bluhell Firewall No Restart 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 (225)
15,188 weekly downloads

Self-Destructing Cookies No Restart

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Rated 4 out of 5 stars (400)
12,894 weekly downloads

Simple YouTube to MP3/MP4 Converter and Downloader No Restart

Download youtube videos as mp3/mp4/ogg/webm fast and easy! Adding mirrors everyday to decrease any downtime! We monitor comments and work to fix any problems as soon as possible!

Rated 5 out of 5 stars (11)
10,593 weekly downloads

uBlock Origin No Restart

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (36)
8,657 weekly downloads

HTML5 Video Everywhere! No Restart

Replace video player with Firefox native video player

Rated 4 out of 5 stars (31)
8,074 weekly downloads

Clean Links No Restart Featured

Converts obfuscated or nested links to genuine clean links.

Eg: http://somesite.com/?to=www.example.comhttp://www.example.com/

Rated 5 out of 5 stars (88)
4,720 weekly downloads

YouTube Center No Restart

YouTube Center contains all kind of different useful functions which makes your visit on YouTube much more entertaining.

Rated 3 out of 5 stars (273)
4,347 weekly downloads

ExHentai Easy 2 No Restart

When accessing exhentai.org the user is presented with a photo of a sad panda. Access to the site is restricted to users of the sister site http://forums.e-hentai.org whom must manually copy their IPB cookie. This plugin automates this process.

Rated 5 out of 5 stars (8)
4,245 weekly downloads

QuitNow No Restart Featured

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

Rated 4 out of 5 stars (73)
4,238 weekly downloads