Extensions by Weekly Downloads

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Adblock Plus No Restart Featured

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 (4,818)
1,526,483 weekly downloads

Video DownloadHelper

The easy way to download and convert Web videos from hundreds of YouTube-like sites.
This works also for audio and picture galleries.

Rated 4 out of 5 stars (4,894)
729,695 weekly downloads

Download YouTube Videos as MP4 No Restart

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 (315)
131,502 weekly downloads

1-Click YouTube Video Download

The simplest YouTube Video Downloader for all YouTube Flash sites, period.

Rated 4 out of 5 stars (471)
118,278 weekly downloads

DownThemAll! Featured

The first and only download manager/accelerator built inside Firefox!

Rated 5 out of 5 stars (1,549)
110,711 weekly downloads

Ghostery No Restart

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

Rated 5 out of 5 stars (1,082)
104,911 weekly downloads

Download Flash and Video

Download Flash and Video is a great download helper tool that lets you download Flash games and Flash videos (YouTube, Facebook, Dailymotion, Google Videos and more) with a single click.
The downloader is very easy to use.

Rated 4 out of 5 stars (290)
104,276 weekly downloads

NoScript Security Suite Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,454)
84,787 weekly downloads

Easy Youtube Video Downloader Express No Restart

Only one with 1080p Full-HD and 192kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV,3GP,MP3,MP4,720p, 1080p qualities on Youtube pages.

Rated 5 out of 5 stars (397)
81,453 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.

Rated 5 out of 5 stars (265)
73,018 weekly downloads

FlashGot Mass Downloader Featured

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Rated 5 out of 5 stars (474)
59,188 weekly downloads

YouTube Flash Video Player No Restart

YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.

Rated 5 out of 5 stars (11)
51,304 weekly downloads

Lightning Featured

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Rated 3 out of 5 stars (1,827)
50,745 weekly downloads

Stylish

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 (729)
39,786 weekly downloads

NetVideoHunter - YouTube Video Downloader

This add-on is a downloader that lets you easily download MP4 videos and MP3 music from sites like Youtube, Facebook, Metacafe, Dailymotion, Break, VKontakte and music for example from SoundCloud, Grooveshark and from many other sites...

Rated 4 out of 5 stars (345)
39,423 weekly downloads

LastPass Password Manager

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 (1,181)
34,332 weekly downloads

Element Hiding Helper for Adblock Plus No Restart

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Rated 5 out of 5 stars (430)
33,046 weekly downloads

Download Status Bar No Restart

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Rated 5 out of 5 stars (302)
28,443 weekly downloads

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

SaveFrom.net helper enables you to download from more than 40 websites, including YouTube.com, Vk.com, Soundcloud.com, RapidShare.com, Filefactory.com, Myspace.com, Facebook.com and many others just in ONE CLICK.

Rated 4 out of 5 stars (174)
26,052 weekly downloads

YouTube High Definition No Restart

YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.

Rated 5 out of 5 stars (191)
25,268 weekly downloads