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ActiveInbox for Gmail

Use Gmail to get things done.

ActiveInbox turns Gmail into a GTD task manager, where your emails are your tasks.

It lets you achieve inbox zero, never forget an important email, and move projects forward with ease.

Rated 4 out of 5 stars (139)
689 users
Updated July 29, 2016

YouTube Video Player Pop Out No Restart

YouTube Video Player Pop Out lets you pop out YouTube videos so that you can watch YouTube videos while you surf.

Rated 5 out of 5 stars (2)
25,614 users
Updated July 29, 2016

Personas Plus No Restart

Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.

Rated 3 out of 5 stars (929)
278,830 users
Updated July 28, 2016

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 4 out of 5 stars (375)
634,952 users
Updated July 27, 2016

Web Developer

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

Rated 5 out of 5 stars (240)
446,606 users
Updated July 27, 2016

Open With IE + Edge

View links, pages, and bookmarks in IE, Edge or any other browser. Modify any menu, browser name or location. Incognito/private browsing mode is also supported. Works for all Firefox locales/languages.

Not yet rated
9 users
Updated July 26, 2016

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 (1,587)
2,035,235 users
Updated July 26, 2016

ColorfulTabs

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 (1,006)
225,928 users
Updated July 25, 2016

Mail Merge

Mass Mail and Personal Mail

Rated 5 out of 5 stars (142)
51,583 users
Updated July 25, 2016

No Resource URI Leak No Restart

Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246

Rated 5 out of 5 stars (13)
4,073 users
Updated July 25, 2016

Gmail Mail Sidebar No Restart

Gmail Mail Sidebar brings Gmail right into your Firefox Sidebar.

Rated 5 out of 5 stars (3)
9,472 users
Updated July 24, 2016

QuickFolders (Tabbed Folders)

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

Rated 5 out of 5 stars (112)
23,954 users
Updated July 24, 2016

YouTube Video Player Preview No Restart

YouTube Video Player Preview lets you preview YouTube videos when you hover over thumbnails.

Rated 5 out of 5 stars (1)
348 users
Updated July 24, 2016

Who stole my pictures?

Search for copies of the images using Yandex.ru, Tineye.com, Google.com and VK.com via right click menu

Rated 5 out of 5 stars (58)
17,440 users
Updated July 23, 2016

Remote XUL Manager No Restart

Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.

Rated 5 out of 5 stars (36)
68,084 users
Updated July 23, 2016

Click-to-Play Manager No Restart

Manages the Click-to-Play domain whitelist.

Rated 4 out of 5 stars (11)
3,035 users
Updated July 23, 2016

Addons Manager Hilite No Restart

Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.

Rated 5 out of 5 stars (18)
714 users
Updated July 23, 2016

S3.Google Translator

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 (346)
347,205 users
Updated July 22, 2016

Tategaki

Tategaki allows vertical writing-mode on mail compose window.

Not yet rated
14 users
Updated July 22, 2016

Send Later

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (69)
62,256 users
Updated July 21, 2016