Reopens the last closed tab.
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
A full featured color selector tool, to work with colors, and easily find the colors you want.
Clears the browser cache and other selected storage.
Show the contents of the Bookmarks Toolbar in a drop down menu. This compresses the bookmark menu into one button that you can put on any toolbar you want to.
Open the Print Preview to view a page before printing it. Paper costs money (and trees) so it is worth checking what the page looks like before you print it.
Open a list of the recently closed tabs.
Reload page without using content stored in the browser cache to make sure you get any updates.
Free unused memory that Firefox is currently using.
Open about:config to change hidden settings that cannot be edited from the Options window. All Mozilla based programs have settings that can not be changed in the options window.