This software is a tool to extract video and audio file that contained by a .MP4 format. This software will not convert any video and audio file from yout .mp4 file. This software just extract them as it is. This tool is made for that specific purpose.
This tool "MahaKurawa MP4 V-A Extractor V.10" can be obtained for free on https://www.mahakurawa.my.id.