Free MP4 2 MPG Converter SE, as its name, is free and can be used to convert MP4 to MPG. It is a good program for you if you want to convert MP4 to MPG accidently. It can convert at superfast speed and the converting result is relatively good.
Audio Format, Audio Sample Rate, Audio Channel, and Audio Quality are all adjustable. Self define Video Format, Video Frame Rate, Video Resolution, Video Quality