iMovie is a great tool for producing quick and easy video to promote your comic on social media. However, it has only two options for aspect ratios — Widescreen (16:9) and Standard (4:3). Unfortunately, these aren’t good fits for social media — particularly Twitter, Instagram and Tik Tok. After struggling with several workarounds and stopgap measures, I finally developed a clever way to get the square shape I want without learning more complicated software like Premiere Pro.

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