Now, there are a number of video download programs on the market, so you may be tired of “seems great”, “give it a try” and “OMG, not working”. OK, let’s sort it out. I’ll introduce an easy-to-use video downloader and explain its work principle of how to capture YouTube video - WonderFox HD Video Converter Factory Pro. With it, apart from downloading YouTube videos, you can download music from websites easily as well.