Use Adobe Premiere Rush for MP4 conversion.
Premiere Rush supports the importing of various video formats, audio files, still images, and native camera formats, including the MOV file extension. And Premiere Rush, built for editing video to share online, exports to only the MP4 file type, making it an ideal MP4 converter for your movie projects.
There are a few ways to convert MOV files to MP4 after you finish your editing in Premiere Rush. Choose a conversion process that best suits how you plan to share your video: