The higher quality videos are converted in Apple’s Quicktime MP4 Player and lower resolution youtube videos can be played in FLV format with the help of FLV player.
Is it hard to Download Youtube Videos?
Certainly not its really easy with just a click of a button. Access KeepHD.com and enter the Youtube URL of the video you want to download.
Surf through the Most Viewed HD Videos in Youtube here and select one of your favourite video. In the right side you would find the URL tab with the direct access link to this video.
Thats it, you will be given with 4 different quality download options which can help you download the video directly to your computer.