A software application that lets you extract audio from video and save it as MP3 Free Video to Mp3 Converter is a great tool that will help you extract audio from video and save it as MP3. Learn now how to extract audio from video files (*.avi, *mpg, *.mpg, *.mp4, *.wmv, *.asf, *.mov, *.qt, *.3gp, *.3g2, *.swf and *.flv) and save it as MP3.