The main goal allows users to open (and in some cases edit) page source with external applications.
Change your bookmark icons! Right-click a bookmark, and select "Properties", then "Browse" for a new image or paste in a URL.
This splits the content area of the browser window as you like.
This extension will enable you to organize your status bar icons. You can now rearrange or remove any item (icon or text) in the Firefox status bar. If your status bar is full and cluttered like mine was, give this a try.
Collections are groups of related add-ons that anyone can create and share.Explore Collections