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Speed Dial Requires Restart

Direct access to your most visited websites

Rated 4 out of 5 stars (1.280)
352.720 người dùng352.720 người dùng

Provider for Google Calendar Requires Restart

Allows bidirectional access to Google Calendar

Rated 4 out of 5 stars (1.005)
335.119 người dùng335.119 người dùng

User Agent Switcher Requires Restart

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Rated 4 out of 5 stars (263)
323.038 người dùng323.038 người dùng

Easy Youtube Video Downloader Express

"#1 Rated Firefox Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps 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 4 out of 5 stars (952)
311.250 người dùng311.250 người dùng

Xmarks Sync Requires Restart

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

Rated 4 out of 5 stars (2.574)
308.854 người dùng308.854 người dùng

YouTube High Definition

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 (236)
288.421 người dùng288.421 người dùng

YouTube Flash Video Player

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 (50)
288.154 người dùng288.154 người dùng

Session Manager

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 (485)
282.956 người dùng282.956 người dùng

Personas Plus

Các "lớp da" miễn phí, dễ dàng cài đặt cho Firefox. Chọn từ hơn 60.000 thiết kế thú vị, bao gồm cả hình ảnh của Harry Potter. Hãy tham gia cùng 8 triệu người trên khắp thế giới - những người đang tự hỏi: "Hôm Nay Trình Duyệt Của Mình Sẽ Mặc Gì Đây?"

Rated 3 out of 5 stars (932)
280.314 người dùng280.314 người dùng

Full Web Page Screenshots (♥♥♥♥♥) Requires Restart

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 (458)
280.110 người dùng280.110 người dùng

FoxyProxy Standard Requires Restart

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 (362)
269.039 người dùng269.039 người dùng

NetVideoHunter Requires Restart

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 (390)
263.053 người dùng263.053 người dùng

ColorZilla Requires Restart

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

Rated 5 out of 5 stars (309)
256.032 người dùng256.032 người dùng

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

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 4 out of 5 stars (541)
232.931 người dùng232.931 người dùng

ColorfulTabs Requires Restart

The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.

Rated 4 out of 5 stars (1.012)
231.940 người dùng231.940 người dùng

Download Status Bar

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 (330)
230.836 người dùng230.836 người dùng

MinimizeToTray revived Requires Restart

Minimizes windows into the system tray.

Rated 5 out of 5 stars (325)
217.350 người dùng217.350 người dùng

HTTPS Everywhere Requires Restart

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 4 out of 5 stars (113)
217.247 người dùng217.247 người dùng

LookOut Requires Restart

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).

Rated 4 out of 5 stars (150)
206.494 người dùng206.494 người dùng

SQLite Manager Requires Restart

Manage any SQLite database on your computer.

Rated 5 out of 5 stars (56)
193.248 người dùng193.248 người dùng