Featured Extensions

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Add to Search Bar No Restart Featured

Make any pages' search functionality available in the Search Bar (or "search box")...

Rated 5 out of 5 stars (636)
83,489 users

Web Developer Featured

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

Rated 5 out of 5 stars (228)
545,410 users

Beyond Australis No Restart Featured

Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!

Rated 5 out of 5 stars (277)
35,848 users

Easy Copy Featured

Copy links to a page with one click, ready to paste anywhere else, eg. emails, blogs, forums and Twitter. Copy a single page, all open tabs or all links on a page.

Rated 5 out of 5 stars (31)
16,911 users

OmniSidebar No Restart Featured

Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!

Rated 5 out of 5 stars (97)
23,551 users

Duplicate Tabs Closer No Restart Featured

Detects and automatically closes duplicate tabs.

Rated 4 out of 5 stars (33)
6,719 users

Stylish Featured

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (811)
507,785 users

Screengrab (fix version) Featured

Screengrab! saves webpages as images.
0.99 released!
New features: upload to internet

Rated 5 out of 5 stars (284)
152,614 users

VimFx No Restart Featured

Vim-style keyboard shortcuts for browsing and navigation, significantly reducing the use of the mouse.

Rated 5 out of 5 stars (149)
14,089 users

Classic Toolbar Buttons No Restart Featured

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (150)
40,858 users

YouTube High Definition No Restart Featured

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 (224)
290,361 users

Tab notifier Featured

Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!

Rated 4 out of 5 stars (43)
5,998 users

Video Downloader Prime No Restart Featured

Easily download most popular video formats.

Rated 4 out of 5 stars (23)
51,307 users

Integrated Inbox for Gmail and Google Apps No Restart Featured

Tired of having multiple tabs open just to view your favorite Google services and other Apps like Feedly, Evernote, Twitter and more? Now you can see them right from your Gmail Inbox.

Install now or visit www.integratedinbox.com for more info.

Rated 5 out of 5 stars (259)
14,502 users

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 (948)
539,662 users

Keyword Search No Restart Featured

Search in the address bar without changing your search engine.

Rated 5 out of 5 stars (85)
10,660 users

Saved Password Editor Featured

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (222)
96,796 users

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 (1,565)
2,328,622 users

FindBar Tweak No Restart Featured

Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!

Rated 5 out of 5 stars (248)
32,738 users

Menu Wizard Featured

Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (157)
42,856 users