Stylish Requires Restart
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.
Tab Mix Plus Requires Restart
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.
Easy Access Requires Restart
Allow an easy access to the system commands and other programs in your computer.
By blocking annoying ads and nosy trackers, adaware ad block nearly doubles your browsing speed! And with the most robust antivirus-level cloud-scanning technology of any ad blocker on the market, you’ll be safe from the latest cyber-threats.
Classic Theme Restorer Requires Restart
Shut down the lights on YouTube.
NOTE: Reddit Enhancement Suite is developed independently, and is not officially endorsed by or affiliated with reddit.
RES is a suite of tools to enhance your reddit browsing experience.
FireGestures Requires Restart
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Prevents your web browser from opening a new window on top of the content or web site you are viewing. The Addon also supresses unwanted advertisement windows on your screen. The one deciding what consitutes a popup is the user.
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.
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.
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
Makes every page (or only pages that you want) to have light text on dark background. Exact colors are customizable.
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
Switch youtube to dark mode. Dark mode will help devices save battery and useful for your sleeping. Make donation for us http://www.paypal.me/hoangthanh. Thank you!
Get rid of annoying cookie warnings from almost all 'infected' websites!
Zoom Page Requires Restart
Full featured zoom manager with independent page and image zoom modes. Choose from four zoom modes: Default Zoom, Fit-To-Width, Default Zoom + Site Specific or Fit-To-Width + Site Specific. Button style and zoom levels are fully configurable.
A very simple extension for learning web page colors. Copy the RGB or Hex color code of any pixel displayed in your browser to the clipboard (in CSS/HTML format). Similar in function to Internet Explorer's color picker.
All-in-One Sidebar Requires Restart
AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.