I am trying to create a Final Cut project that has a 4:3 aspect ratio. So I went to the project settings and set it to 1440x1080. But the preview window and exported video is still widescreen, does anyone know why?

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Does that squiggly line have anything to do with it?

Just so you can see, my project is set to the right resolution, but the preview window is clearly playing a widescreen video:

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Am I missing something obvious or is this a bug?

1 Answer 1


When you import clips the default spatial conform is fit. Change it to fill and clips will be cropped. You can reframe as you like.

This article has more details Square video with FCPX

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