mpeg4

ClipGrab is a free GUI Video downloader from the famous online video sharing websites like youtube, veoh, Dailymotion, MyVideo and many other. ClipGrab is very simple (basically just one window to work on). Clipgrab downloads the file and saves it by default to FLV (Flash Video) however can convert the downloaded video on the fly to Windows Video (WMV), MPEG4, MP3 (Audio), OGG Vorbis (Audio).