Download High Definition Videos off Youtube... and lot more!!

KeepHD is a sweet tool that lets you download HD videos off Youtube and other tube sites in to your video editing softare! Not only can you download from youtube HD copies of your movies and music, you can also download the mobile 3GP version for your mobile devices plus the standard MP4 and FLV format. Just enter your video URL, and KeepHD will automatically grab each version of the youtube video clip you want to download.

http://keephd.com