App88 Free MPEG to MP4 Fast Convert, as its name, is free and can be used to convert MPEG to MP4. It is a good program for you if you want to convert MPEG to MP4 accidently. It can convert at superfast speed and the converting result is relatively good. The interface is really simple, so it's easy-to-use. You can master it even without any help. It is a professional MPEG to MP4 converter. Just try it.