iMovie, the home-built powerful video editing application for all the macOS, iOS, and iPadOS devices, gives you many great editing features to help you edit and make a better video. Then have you try to edit a vertical video in iMovie? What will happen then?
You should find that the exported vertical video in iMovie will become horizontal with black bars filling in the two sides. That's because iMovie does not support full screen vertical videos with an aspect ratio of 9:16. When editing a vertical video in iMovie, it will fill the video with black bars to turn it into a 16:9 horizontal video.
So how to edit vertical videos in iMovie and keep them vertical? How to make your iMovie vertical for TikTok or Reels? This post will show you how to edit vertical video online via iMovie alternative and in iMovie on iPhone for your Tik Tok, Instagram, YouTube Shorts, or any other platform that uses vertical video. So, here goes.
Contents:
Customizable Vertical Video Templates Free Download for TikTok/Reels:



Also Read: 5 Best Vertical Video Editor - Free & Fast>
Part 1 Better Way to Make iMove Vertical for TikTok/Reels Online
As we said before, iMovie doesn't support full screen vertical video with an aspect ratio of 9:16, so you can not edit a vertical video in iMovie and keep it vertical without black bars directly. You'll need another tool to remove black bars or make your iMovie vertical.
Here we'll share a much easier way to edit vertical videos or make your iMovie vertical for TikTok, Reels, YouTube Shorts, and more.
Various online video editors allow you to edit a vertical video and make your iMovie vertical effortlessly for free. FlexClip is just one of them. With FlexClip, creating a vertical video is pretty easy - simply pick an aspect ratio you want to convert your iMovie to, in our case to a 9:16 portrait aspect ratio, upload your video, add text, overlays, elements, and more to make a beautiful vertical video!

Make a Vertical Video - Add Media

Make a Vertical Video - Change Aspect Ratio
Part 2 How to Edit Vertical Video in iMovie for TikTok and More on iPhone
In fact, iMovie does not give you an option to make vertical video full screen directly. But, you can edit vertical videos with a simple workaround using the iMovie by editing it horizontally and then turning to the stock Photos app on your iPhone to rotate the horizontal video to portrait again.
Check the simple guide below to learn how to make iMovie vertical video full screen on iPhone:

Edit Vertical Video in iMovie Horizontally (Image Source:homeexplained.com)

Rotate iMovie to Vertical with Photos App (Image Source:homeexplained.com)
Now you've got the iMovie vertical video on your iPhone without turning horizontal and black bars.
Final Words
Now that you know how to edit a vertical video without black bars in iMovie on your iPhone or using another powerful online vertical video editor, FlexClip, it's time to put these tips into practice now!