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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)
356,402 users

Forecastfox Weather

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

Rated 4 out of 5 stars (817)
326,280 users

NetVideoHunter Downloader

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

Rated 4 out of 5 stars (313)
321,747 users

Provider for Google Calendar

Allows bidirectional access to Google Calendar

Rated 4 out of 5 stars (514)
317,196 users

ColorZilla

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

Rated 5 out of 5 stars (284)
311,573 users

Webpage Screenshot in Firefox (♥♥♥♥♥)

FireShot Webpage Screenshots captures webpage screenshot entirely (see demo: http://bit.ly/RlBQMV)

The screenshot can be quickly annotated and:

+ Uploaded
+ Saved as PDF/PNG/GIF/JPEG/BMP
+ Sent to clipboard
+ Printed
+ E-Mailed
+ Exported

Rated 5 out of 5 stars (378)
293,083 users

ColorfulTabs

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 (863)
288,705 users

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 (1,035)
281,767 users

MinimizeToTray revived

Minimizes windows into the system tray.

Rated 5 out of 5 stars (241)
271,822 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 (309)
270,152 users

Session Manager No Restart

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Rated 4 out of 5 stars (443)
268,578 users

YouTube High Definition No Restart

YouTube High Definition is a powerful tool that will let you play all YouTube videos in High Definition automatically.

Rated 5 out of 5 stars (112)
245,768 users

JavaScript Debugger

Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aims to provide a powerful JavaScript debugging environment for Mozilla based browsers.

Rated 4 out of 5 stars (47)
241,073 users

Quick Translator

The most lightweight and easiest translator. Translate between more than 50 languages with one click or a hot key. Translate from one word to a whole page.

Rated 5 out of 5 stars (361)
237,653 users

Gmail Manager

The original Gmail notifier for multiple accounts. Allows you to receive new mail notifications along with viewing account details including unread messages, saved drafts, spam messages, labels with new mail, space used, and new mail snippets.

Rated 4 out of 5 stars (1,141)
227,980 users

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 (199)
223,461 users

SQLite Manager

Manage any SQLite database on your computer.

Rated 5 out of 5 stars (57)
215,620 users

Image Zoom

Adds zoom and rotation functionality for images...

Rated 4 out of 5 stars (310)
209,471 users

Live HTTP Headers

View HTTP headers of a page and while browsing.

Rated 4 out of 5 stars (136)
205,777 users

Mozilla Archive Format, with MHT and Faithful Save

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Rated 5 out of 5 stars (196)
200,075 users