Ummy is a video downloader program that allows users to download MP3 and HD files from YouTube. The advantage of this program is that it will enable the user to watch videos at a later time without an Internet connection. Ummy lets the user pick the format of the file that the video is converted to. Right now, the program is entirely free. As an added bonus, Ummy is extremely easy and intuitive to use. The download speeds are very fast and almost no bugs have been reported so far. It is a great choice for converting HD videos and videos with sound.