Youtube is one of the vast video hosting site. YouTube.Com do not allow direct download videos from but there are many associated websites, add-ons and software by which you can download videos from YouTube. Today I will discuss how do I download video from youtube with a firefox add-ons?
First go to Download YouTube Videos as MP4 1.6.5 and install it. For that click + Add to Firefox button then click Allow.
After that installation screen will appear. Click Install Now. Then restart firefox. You will see the Download option bellow the Youtube player.You can now download any YouTube video by using this option. Only the limitation is it supports only mp4 and FLV format.