Adds a download button to YouTube. By clicking on it you can download the video as a high quality mp3 file.
The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...
Autofill Forms enables you to fill out web forms with one click.
FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.
Color tools for web development.
Color picker and eyedropper + saving colors and trying out colors with drag and drop.
Allows URI texts written in webpages to be loaded by double clicks.
Multi Links lets you open, copy or bookmark multiple links at the same time rather than having to do them all individually.
Note from Mozilla: This add-on has been discontinued. Try Video DownloadHelper instead.
Download YouTube - The best YouTube video and music downloader for Firefox.
Allow you to launch embed video of website in an external application with a simple click ...
HideTab is a simple Firefox extension to hide/unhide individual tabs.
Collections are groups of related add-ons that anyone can create and share.Explore Collections