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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)
260,969 users

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)
260,259 users

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 (33)
259,766 users

Full Web Page Screenshots (♥♥♥♥♥)

FireShot makes full web page screenshots. Demo: http://bit.ly/RlBQMV

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

Rated 5 out of 5 stars (433)
258,121 users

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)
256,992 users

IE Tab

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

Rated 4 out of 5 stars (1,190)
250,156 users

S3.Google Translator Featured

S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.

New Feature: Language learning!

Rated 5 out of 5 stars (221)
249,084 users

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)
247,387 users

Reddit Enhancement Suite No Restart

A suite of tools to enhance Reddit

Rated 5 out of 5 stars (91)
246,275 users

Download Status Bar No Restart Featured

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 (325)
245,918 users

MinimizeToTray revived

Minimizes windows into the system tray.

Rated 4 out of 5 stars (307)
232,793 users

ColorfulTabs Featured

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...

Rated 4 out of 5 stars (990)
221,837 users

Mozilla Firefox hotfix No Restart

This official add-on enables Firefox to provide quick fixes for selected issues.

Rated 5 out of 5 stars (1)
218,574 users

µBlock No Restart

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

Rated 4 out of 5 stars (207)
217,205 users

Public Fox Featured

Block downloads, lock down bookmarks/addons/downloads with a password.

Rated 4 out of 5 stars (167)
213,750 users

All-in-One Sidebar

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Rated 5 out of 5 stars (1,390)
211,991 users

Video Downloader professional No Restart

- download and save videos embedded into a website to your hard disk
- add youtube, vimeo and other videos easily to your video list
- supports up to 4k videos

Rated 4 out of 5 stars (424)
207,831 users

BlockSite

BlockSite is an extension, which automagically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.

Rated 3 out of 5 stars (506)
203,832 users

SQLite Manager

Manage any SQLite database on your computer.

Rated 5 out of 5 stars (38)
196,426 users

Awesome Screenshot Plus - Capture, Annotate & More No Restart

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

Rated 4 out of 5 stars (1,086)
193,394 users