Extensions by Weekly Downloads

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NetVideoHunter

This add-on is a downloader that lets you easily download videos 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 (359)
21,043 weekly downloads

QuickJava Featured

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Rated 5 out of 5 stars (251)
21,019 weekly downloads

Flashblock

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Rated 4 out of 5 stars (1,162)
20,696 weekly downloads

YouTube Unblocker No Restart Featured

Watch blocked YouTube videos – YouTube proxy-server, only if needed!

✓ free unblocking of YouTube videos /-search
✓ unblock embedded videos (e.g. Facebook)
✓ unblocking via proxy (no VPN)
✓ fast unblocking + fast streaming (HD)
✓ totally legal

Rated 4 out of 5 stars (122)
19,812 weekly downloads

HTTPS Everywhere

Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.

Rated 5 out of 5 stars (29)
19,187 weekly downloads

Forecastfox (fix version) Featured

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Now Available for: Firefox, Thunderbird and SeaMonkey!

Rated 5 out of 5 stars (137)
18,925 weekly downloads

Web Developer

The Web Developer extension adds various web developer tools to the browser.

Rated 5 out of 5 stars (216)
17,855 weekly downloads

Google Selection Translate - For AltKey No Restart

Selecting text and holding alt key, translated results will show up on current web pages. No need to leave current web pages. Translate results come from Google Translate.

Rated 5 out of 5 stars (3)
17,635 weekly downloads

VKontakte.ru Downloader (music/videos/photos @ VK)

Download music, videos and photos from VK.com / vkontakte.ru. One-click download, natural filenames, displaying file size and bitrate for music, downloading HD video, downloading HQ photos. No spam, no usage of your account, no spyware.

Rated 5 out of 5 stars (414)
17,586 weekly downloads

Disconnect Featured

Make the web faster, more private, and more secure.

Rated 4 out of 5 stars (149)
17,572 weekly downloads

BetterPrivacy Featured

Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...

Latest updates: See bottom link 'version history'!

Rated 5 out of 5 stars (428)
17,568 weekly downloads

Speed Tweaks (SpeedyFox) No Restart

This extension provides a list to almost all the settings that you may need to alter in order to enhance Firefox's speed.

Rated 5 out of 5 stars (2)
16,934 weekly downloads

Classic Theme Restorer

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).

All builds & changelogs on versions page!

Rated 5 out of 5 stars (956)
16,601 weekly downloads

FoxyProxy Standard Featured

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Rated 4 out of 5 stars (342)
16,458 weekly downloads

Flagfox No Restart

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

Rated 5 out of 5 stars (634)
15,650 weekly downloads

µBlock No Restart

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

Rated 4 out of 5 stars (207)
15,489 weekly downloads

iCloud Bookmarks No Restart

Keep your Firefox bookmarks on Windows up to date with your Safari bookmarks on iPhone, iPad, and Mac with the iCloud Bookmarks extension for Firefox.

Rated 2 out of 5 stars (97)
15,287 weekly downloads

EPUBReader Featured

With EPUBReader you can read ePub files just in Firefox. No additional software needed!

Rated 5 out of 5 stars (161)
15,151 weekly downloads

FireFTP Featured

FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.

Check out my new project, FireSSH!

Rated 4 out of 5 stars (930)
15,102 weekly downloads

BestVideoDownloader 2 - YouTube Downloader MP3 MP4 No Restart

Direct YouTube downloads MP3 M4A AAC and HD MP4, FLV, 3GP. With just one mouse click! With the click off an mouse button! Super fast downloads right from the Youtube video page you are viewing.

Rated 3 out of 5 stars (27)
14,809 weekly downloads