Wondershare Free YouTube Downloader automatically detects any YouTube video playing on IE, Firefox or Chrome while you surf the web. To download, either click the Download Button on the top of the video or copy and paste URLsthe to get multiple videos off the web at once. It is pretty simple to get what you want. Additionally, the Library is a good place to manage both MP4 and FLV videos. Double-click a video in the Library and enjoy!