I think you should try to use
Leawo Video Converter, it can download youtube video and convert thenn to any popular video formats with ease. With this video converter downloaded and the video converted, you may
easily get the specific video format watched on TV, played on portable
media players such as iPhone, iPhone 4, iPod, iPod Touch 4, iPad, PSP,
PS3, Apple TV, Apple TV 2, Android Mobile, etc., loaded to mobile
phones and Android mobile, or put on websites, etc.