Convert videos like MOV/MKV/MTS/AVI/WMV/FLV to MP4 It makes it easy to convert 4K/HD videos and common videos like MOV, MTS, MKV, FLV, AVI, WMV, F4V, WebM, WTV, and more to MP4 formats in batch.ġ. It also supports converting video to HD MP4. Free MP4 Converter is professional MP4 Video Converting software, which helps you convert any video format to and from MP4 video for playback on iPhone (iPhone X/8/7/SE/6s/6s Plus/6/6 Plus/5s/5c/5/4S), iPad (iPad Pro/Air 2/mini 3/4/Air/mini 2), iPod, and Apple TV.