Simply check or uncheck multiple checkboxes at a time by clicking and dragging.
Allows you to check multiple checkboxes quickly by CLICKING & DRAGGING or even quicker with an ALT+CLICK & DRAG area select. You may need to refresh your browser window after installation for this extension to work.
Here is a short user-created video tutorial describing how to implement this extension.
Feel free to post any comments or bugs, but unfortunately the developer will not be able to address any of them at this time.