you may get enough reasonable results about YouTube Downloader by searching Google, Yahoo or Bing. However, even though they have familiar names, the function and experiences are quite different. Such as, lots of YouTube Downloader only support a few of specific video sites, and you have to copy the URL address to the software in order to get the video. Some of the YouTube Downloader even limits the amount of simultaneous tasks, encourage you to pay for the premium speed.
youtube video download