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 (4,299)
1,353,703 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 (4,219)
442,996 weekly downloads

anonymoX

Easy anonymous web browsing.
– Change your IP-Address and country
– Visit blocked or censored websites.
– Delete cookies, show your public ip, and more

We provide the proxy servers, no external proxies or other programs required

Rated 4 out of 5 stars (149)
287,061 weekly downloads

SimilarWeb - Insights on Websites

Discover useful traffic insights about the websites you visit. Find out how big the websites you visit are on the internet and in their categories. Get instant knowledge on the main sources of traffic bringing users to the website you’re viewing.

Rated 5 out of 5 stars (91)
237,624 weekly downloads

Flash Video Downloader - YouTube Full HD Download

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.

Rated 4 out of 5 stars (464)
178,893 weekly downloads

Firebug No Restart

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Rated 5 out of 5 stars (1,650)
171,899 weekly downloads

Ant Video Downloader

It has never been simplier to download videos from Youtube, Dailymotion and from most of the video streaming site.
Just play the video, click on the toolbar, download and play it immediately in our integrated video player.

Rated 4 out of 5 stars (386)
129,643 weekly downloads

DownThemAll! Featured

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

Rated 5 out of 5 stars (1,403)
102,242 weekly downloads

1-Click YouTube Video Download

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

Rated 4 out of 5 stars (356)
101,505 weekly downloads

YouTube Downloader Lite No Restart

A very lite YouTube Downloader (FLV, WebM, 3GP, and MP4)

Rated 4 out of 5 stars (25)
100,052 weekly downloads

Download YouTube Videos as MP4 No Restart Featured

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 (239)
99,279 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 (1,320)
95,313 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 (860)
92,399 weekly downloads

Greasemonkey Featured

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Rated 4 out of 5 stars (866)
91,166 weekly downloads

Adblock Plus Pop-up Addon

Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.

Rated 4 out of 5 stars (161)
76,548 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 5 out of 5 stars (224)
70,919 weekly downloads

DoNotTrackMe: Online Privacy Protection

Protect your privacy. Stop companies and advertisers from tracking your browsing and sending you spam email.

Rated 4 out of 5 stars (353)
65,510 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 (190)
64,724 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 (430)
62,927 weekly downloads

Easy Youtube Video Downloader Express No Restart

Only one with 1080p Full-HD and 192kbps MP3 Direct Links - 100% clean (no adware/nagware) addon for superfast and easy downloads in FLV,3GP,MP3,MP4,720p, 1080p qualities on Youtube pages.

Rated 4 out of 5 stars (168)
56,933 weekly downloads