Extensions by Weekly Downloads

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h264ify

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

Rated 5 out of 5 stars (17)
1,683 weekly downloads

Aliexpress Shopping Assistant

1. Find the same products.
2. Historical price.
3. Show App's price.
4. Analyze seller.
5. Shortcuts visit Aliexpress

Rated 5 out of 5 stars (734)
1,660 weekly downloads

Browser-Security

Browser Security - DER Schutz vor Phishing und Malware

Rated 4 out of 5 stars (3)
1,608 weekly downloads

Restart

"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (63)
1,581 weekly downloads

YouTube Center

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

Rated 3 out of 5 stars (312)
1,580 weekly downloads

SurfEarner

Расширение позволяет зарабатывать реальные деньги за просмотр рекламы. Вывод денег на Qiwi, Webmoney, Яндекс.Деньги и Perfect Money.

Rated 4 out of 5 stars (24)
1,575 weekly downloads

VKD

Расширение позволяет загружать музыку, фото и видео из контакта
Страница ВКонтакте: https://vk.com/vkdwn

Rated 4 out of 5 stars (45)
1,563 weekly downloads

PDF Viewer(discontinued)

THIS ADD-ON IS NO LONGER UPDATED PLEASE USE THE BUILT IN PDF VIEWER.

Rated 4 out of 5 stars (273)
1,539 weekly downloads

External Video Player

Feel free to open any video with your favorite video player! Thanks to this extension you will be able to open online videos with any native video player like VLC, MxPlayer, etc.

Rated 5 out of 5 stars (4)
1,502 weekly downloads

Video Assistant

Play embedded videos in external player

Rated 4 out of 5 stars (21)
1,475 weekly downloads

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (24)
1,462 weekly downloads

Social Fixer

Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient. Filter the news feed, hide sponsored posts and political posts, hide parts of the page you don't want to see, and more!

Rated 4 out of 5 stars (149)
1,454 weekly downloads

User-Agent Switcher (revived)

Quickly and easily switch between popular user-agent strings.

Rated 4 out of 5 stars (2)
1,451 weekly downloads

NO Google Analytics

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

Rated 3 out of 5 stars (19)
1,437 weekly downloads

AdNauseam

Fight back against advertising surveillance

Rated 4 out of 5 stars (26)
1,349 weekly downloads

FireX Proxy

FireX Proxy extension.

Rated 5 out of 5 stars (20)
1,313 weekly downloads

Simple Popup Blocker

Simply toggle between three different popup blocking modes: allow all, allow requested or block all. Now with tracking protection.

Rated 5 out of 5 stars (24)
1,311 weekly downloads

vk music/playlist(M3U,XSPF,PLS,ASX,WPL) downloader

Save audio or playlist from current vk.com page.

Rated 5 out of 5 stars (1)
1,297 weekly downloads

URL Fixer Featured

URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.

Rated 4 out of 5 stars (106)
1,281 weekly downloads

Browser JSGuard

An Addon for Detecting Malicious and Suspicious Webpages.

Rated 5 out of 5 stars (2)
1,269 weekly downloads