MP4 to iMovie – Easy Solve iMovie Won’t Import MP4 Files on macOS
Why iMovie Won’t Import MP4 Files on Mac?
It’s not strange, though MP4 is a native supported video format by iMovie, you just can’t import some of the video clips in MP4 format into iMovie on Mountain Lion. The MP4 video files are listed, but they are grayed out and can’t be selected. Is MP4 supported by iMovie on Mac? If yes, why I failed to add MP4 to iMovie?
The answer is: iMovie should be able to import MP4 video if it uses the H.264 codec. Some MP4 file (like MPEG-4 files ripped from DVD by Handbrake) may contain number of audio, video, and even subtitle streams that won’t be supported by iMovie on Mac.
How to Successfully Import MP4 to iMovie on Mac?
There is no other options but to adjust MP4 to iMovie supported MP4 format in order to successfully import MP4 to iMovie on Mountain Lion. The article shows you how to convert MP4 to iMovie on Mac step by step with a professional iMovie Converter for Mac (Monterey, Big Sur included). There’s no need to set any codec by yourself, iMovie Converter for Mac has a optimized preset for iMovie.
The article also applies to import MPEG, MPG, MPEG-2, MPEG-4, MKV, MOV, AVI, WMV, AVCHD MTS, VOB, F4V, FLV, RMVB to iMovie on Mountain Lion
Preparation: Download Aiseesoft MP4 to iMovie Converter for Mac. Install and Run it
Step 1: Load MP4 file
Press “Add Video” button to import your MP4 file. Or you can also drag your MP4 file directly to the main interface of Aiseesoft Video Converter for Mac.
Step 2: Set output format to iMovie Video MPEG-4
Click the drop-down button on the right side of the “Profile” button to select iMovie Video MPEG-4 output format.
Step 3: Convert MP4 to iMovie supported MPEG-4 format
Click “Convert” button to begin the MP4 to iMovie conversion on Mac.
Step 4: Import MP4 into iMovie on Mac
Start iMovie, and choose File > Import > Movies…. Then navigate to the folder where your converted MP4 file is located and select (highlight) the converted MP4 file. Create a new event and click “Import” button.