Uploaded November 2021 | Updated September 2026, 3 weeks ago

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iMovie can only create 16:9 aspect ratio videos, and will not let you change the aspect ratio of a Picture-in-Picture overlay clip. In this brief video I show you how to use the new video editing tools in Apple's Photos app on the Mac, iPhone and iPad to work around these.
0:00 Intro
0:26 iMovie limitations
1:17 Create a square video for Instagram
1:50 Crop a picture-in-picture inset video to any aspect ratio for use in iMovie
2:39 Outro
#iMovie
#Instagram
#CreativityUnleashed