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Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).
All builds & changelogs on versions page!
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!
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!
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!
Theme Font & Size Changer No Restart Featured
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Puzzle Bars No Restart
Piece together all of your add-on buttons and extras into your browser window in exactly the way you want them!
Open With Photoshop No Restart
Open With Photoshop is a new companion for web and graphic designers to open up any web image with Adobe Photoshop via a single and quick mouse click.
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!
Yahoo Mail Hide Ad Panel No Restart
Permanently hides the Ads panel on the right side of New Yahoo! Mail, the 'Sponsored' email at the Top, and ads on the Left to give you a full-width Premium email experience for free! The other option, of course is to pay $50 a year to Yahoo! Inc. :)
Old Default Image Style No Restart
Restores the default image style used for top-level images in previous versions of Firefox.
GlassMyFox No Restart
Glass your Firefox gui with GlassMyFox (only possible on Windows 7 and Vista when AeroGlass is enabled). See instructions inside add-on description how to enable Glass on Windows 8.
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".
Workaround Bug 447571 and Bug 449736 for Firefox 3.0.x and 3.5.x
Workaround Bug 542848 and Bug 544227 for Firefox 3.6.x
Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
The Addon Bar (Restored) No Restart Featured
Gives you a place to put all your add-on buttons without over-crowding the navigation bar.
Stylish Sync No Restart
Sync engine for Stylish with backup / restore facility.
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
Hide title bar if window is maximized.
This extension created only for GNOME 3. It can create problems with another DE (KDE, XFCE, etc). However, you can use HTitle at your own risk (need enable "legacy" mode on settings page).