It offers an optimized preset Apple Intermediate Codec. To fulfill your task, you can just get Brorsoft's Video Converter for Mac, a powerful video converter, editor and player. This will help you import the file correctly and saving the rendering time. Since Apple InterMediate Codec(AIC) is the the most compatible codec introduced by Apple which ensures maximum editing quality and efficiency when working with iMovie, the easy option to get iMovie accept MP4 files is to rewrap and convert MP4 to AIC encoded MOV. So if you MP4 files are not accepted by iMovie, it's probably because of the video codec incompatibility.įortunately, there is an easy way to fix the issues. Some people including you may be confused: iMovie says it supports MP4, but why I can't import MP4 to iMovie? Well, that's because iMovie prefers MPEG-4 and H.264 codecs instead of others while MP4 can contain various video codecs. They open properly in QuickTime and VLC but can't be imported into iMovie (or iPhoto)'. For GoPro users, I used the R2 (720p) format. Specifically, I'm trying to add MP4 files that I copied to my hard drive from my GoPro HD 960. 'For some reason iMovie '11 won't let me import videos. 'I downloaded many MP4 movies from Internet, and want to import them into iMovie for editing to create a new movie.But the iMovie won't accept the mp4 videos. And there're some frequently asked questions quoted as below.

The point here, you will find a painful experience to import MP4 files to iMovie (iMovie 11 included) for further editing. From there, the user can edit the photos and video clips and add titles, music, and effects, including basic color correction and video enhancement tools and transitions such as fades and slides. IMovie (no matter iMovie HD, iMovie 08, iMovie 09, or iMovie 11) is a proprietary video editing software application sold by Apple Inc. Best Solution to Solve iMovie Won't Import MP4 video files

Imovie edit clip