Capture all FLV, F4V videos from any web site, particularly YouTube, Yahoo, Google, MySpace, iFilm, Dailymotion, Metacafe, Tudou, Youku and compatible all web browser. e.g. IE, Google Chrome, Firefox, Opera, Safari.Detect FLV, F4V video stream automatically and Save Videos in the Background.Allow capture video by URL , just specify the URL for the video you want to download.Extract audio from downloaded video to WAV, MP3, WMA audio format.