Do you realize a phenomenon that people intends to convert video to MP4? This is because MP4 is compatible with many prevalent media and devices more than other format files. Thus, there is no wonder why people want to convert WebM to MP4 due to play WebM files are inconvenient. You are only allowed to play WebM on a special browser or special player with plug-ins. It is advisable that you use a video converter to solve this problem.