In fact, there is no single tool that can directly convert IFV to MP4, but WonderFox HD Video Converter Factory Pro can convert MDVR output IFV files, ie AVI files to MP4, MKV, and other video formats. WonderFox HD Video Converter Factory Pro is a very versatile audio and video converter that supports 300+ popular audio & video formats and devices. With it, you can convert AVI to MKV, AVI to MOV, etc. easily. Now, free downloadfree download it to convert output IFV file to MP4.