Mozilla Firefox | Addons/Extensions List.

Many of us need to download YouTube Videos, and for this, there is an excellent plugin for Firefox browser.

Go to the official site of firefox (#-Link-Snipped-#) and search for Easy YouTube Video Downloader add on or #-Link-Snipped-#

Click on add to Firefox, and now whenever you are viewing any YouTube video, there is an option to save it in different formats as shown below.