Most Popular See all »

Top Rated See all »

  • 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!
    440,627 users
  • The Fox, Only Better

    Rated 5 out of 5 stars (231)
    Australis, the new Firefox theme, made a great browser look awesome. And now it will also feel awesome using it!
    45,857 users
  • OmniSidebar

    Rated 5 out of 5 stars (80)
    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!
    20,103 users
  • Puzzle Toolbars

    Rated 5 out of 5 stars (48)
    Piece together all of your add-on buttons and extras into your browser window in exactly the way you want them!
    4,132 users
  • '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!
    40,478 users
  • 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.
    89,790 users
  • 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. :)
    31,649 users
  • Restores the default image style used for top-level images in previous versions of Firefox.
    10,972 users
  • GlassMyFox

    Rated 5 out of 5 stars (141)
    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.
    12,515 users
  • The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
    75,594 users
  • Open With Photoshop

    Rated 5 out of 5 stars (44)
    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.
    14,468 users
  • FindBar Tweak

    Rated 5 out of 5 stars (236)
    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!
    29,247 users
  • Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
    44,956 users
  • Gives you a place to put all your add-on buttons without over-crowding the navigation bar.
    130,502 users
  • Stylish Sync

    Rated 5 out of 5 stars (19)
    Sync engine for Stylish with backup / restore facility.
    5,957 users
  • SettingSanity

    Rated 5 out of 5 stars (42)
    Re-adds the options to disable Images, JavaScript, and the Tab Bar in the Options window.
    7,800 users
  • Get international weather forecasts from and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

    Now Available for: Firefox, Thunderbird and SeaMonkey!
    29,943 users
  • The "NewScrollbars"-extension replaces the default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".

    Firefox 32 zoom bug with custom scrollbars got fixed in Firefox 33 beta 6, Aurora and Nightly!
    15,060 users

Recently Added See all »

See all 2123 extensions in Appearance »