Check All is a very simple extension that only do one thing but it do it very well. The way this extension works is like this: You select one or several checkboxes and right click.
You will then get the option to "Check all selected checkboxes" or "Uncheck all selected checkboxes". Perfect for sites that don`t have a "check all" option.
Makes it possible to check/uncheck several checkboxes at the same time. Just select the checkboes, right-click and chose action.
