Love the Video Creator feature, the first quadrant only option, and the ability to hide folders from students.

Great addon! Strange choice making Ctrl+Q the button to duplicate though, could lead to some headaches if it weren't for firefox's confirmation box.

Had been waiting for the Firefox release of this awesome extension. Same good features found in Chrome. I specially like the QOL features to empty and fill folders. Also, the video creator feature is a no-brainer for smooth animations.