About this Add-on
You can click toolbar button on a YouTube web page and it will pop put as a draggable panel which you can place on your screen. It will stay up there while you browse your web.
To create your own collections, you must have a Mozilla Add-ons account.
Some add-ons ask for permission to perform certain functions. Since you’re in control of your Firefox, the choice to grant or deny these requests is yours.
Please note this add-on uses legacy technology, which gives it access to all browser functions and data without requesting your permission.