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Mastering Vertical Video Editing: A Step-by-Step Guide to iMovie

Cynthia Jul 13, 2026

Have you found yourself with a collection of vertical videos, perfect for platforms like Instagram or TikTok, but now you're wondering how to edit them? iMovie, Apple's user-friendly video editing software, is here to help. Follow this comprehensive guide to learn how to use iMovie to edit vertical videos like a pro.

How To Edit Vertical Video on iMovie iPhone
How To Edit Vertical Video on iMovie iPhone

Before we delve into editing, ensure your iMovie and macOS are up to date, as the latest versions offer the most functionality. With the right tools and this step-by-step guide, you'll create engaging vertical videos that stand out on any platform.

How to Make iMovie Video Vertical (Portrait)
How to Make iMovie Video Vertical (Portrait)

Preparing Your iMovie Project

First, import your vertical videos into iMovie. iMovie supports vertical videos with aspect ratios of 9:16, so you can dive right in without cropping or resizing.

How To Edit Vertical Video on iMovie Mac
How To Edit Vertical Video on iMovie Mac

Creating a New Project

Open iMovie and click on 'Create New' in the project browser. Choose 'Movie' and give it a name. Select a theme, or skip this step to customize later.

Edit vertical videos in iMovie on iPhone or iPad! | Vertical Video Tutorial
Edit vertical videos in iMovie on iPhone or iPad! | Vertical Video Tutorial

Click 'Create', then drag and drop your vertical videos into the timeline at the bottom of the screen. You're ready to begin editing.

Adjusting Project Settings

To ensure your final video's dimensions match the platform you're targeting, click on 'File', then 'Project Properties'. Select 'Vertical' under 'Display Settings'.

How to edit Vertical / IGTV Videos in iMovie on iPhone | Kayla’s World
How to edit Vertical / IGTV Videos in iMovie on iPhone | Kayla’s World

The viewer will now appear in a vertical format, making it easier to preview and edit your video correctly.

Editing Your Vertical Video in iMovie

Now that your project is set up, let's jump into the nitty-gritty of editing your vertical video in iMovie.

a man sitting in front of a guitar with the words how to edit vertical video in imovie on your iphone without black bars
a man sitting in front of a guitar with the words how to edit vertical video in imovie on your iphone without black bars

Trimming and Splitting Clips

Select a clip in the timeline, and you'll see yellow handles appear at the beginning and end. Drag them inward to trim unwanted parts. To split a clip, position the playhead where you want the split to occur and press ' Command + B'.

How To Edit Vertical Video on iMovie
How To Edit Vertical Video on iMovie
Vertical Video Conversion Hack | iMovie + QuickTime
Vertical Video Conversion Hack | iMovie + QuickTime
Edit Vertical Video in iMovie
Edit Vertical Video in iMovie
How to Stop iMovie From Cropping Video on iPhone
How to Stop iMovie From Cropping Video on iPhone
Edit Vertical Videos in iMovie!! No more black bars when you export!
Edit Vertical Videos in iMovie!! No more black bars when you export!
Edit Vertical Videos in iMovie!! No more black bars when you export!
Edit Vertical Videos in iMovie!! No more black bars when you export!
Repurpose Your Videos for Shorts | iMovie Vertical Conversion Tutorial
Repurpose Your Videos for Shorts | iMovie Vertical Conversion Tutorial
iMovie Portrait Mode: How to Make iMovie Vertical the Right Way in 2024
iMovie Portrait Mode: How to Make iMovie Vertical the Right Way in 2024
How to edit vertical video in Premiere Pro for IGTV & Instagram Stories
How to edit vertical video in Premiere Pro for IGTV & Instagram Stories

Split points let you isolate and adjust specific sections of a clip, which comes in handy when you want to isolate a particular moment.

Adding Transitions and Effects

To add transitional effects between clips, select a clip, then click on 'Transitions' in the browser. Drag a transition to the beginning or end of your clip. Customize the duration by dragging the edges of the transition.

Apply effects and filters to clips by selecting them, then clicking on 'Video Overlays' in the browser. Choose from a range of styles to enhance your video.

Fine-Tuning Audio and Visuals

With the basics of editing covered, now dive into refining your vertical video with advanced features in iMovie.

Enhancing Audio

Select a clip, then click on 'Audio' in the Inspector panel (press 'Command + 4' if it's not visible). Use the volume slider to adjust audio levels. Apply fade-in or fade-out effects by clicking on the 'Audio' icon and setting the duration.

To add background music, click on 'Audio' in the browser. Choose a track, then drag it to the timeline. Adjust volume and duration for the perfect fit.

Color Correction and Cropping

Select a clip, then click on 'Video' in the Inspector panel. Here, adjust color balance, white balance, and saturation. Use the 'Crop' tool to frame your video perfectly for vertical display.

iMovie's green viewers keep your project in-check with the target aspect ratio, ensuring a clean vertical output.

Exporting and Sharing Your Vertical Video

The final step is exporting your masterpiece. Click on 'File', then 'Share'. Here, you'll find options like 'File', 'YouTube', 'Facebook', and 'Vimeo'. Choose your preferred method, then follow the prompts to export and share.

Export Settings

For 'File' export, select the quality you want. The default 'High (1080p)' works well for most sharing platforms. Ensure the aspect ratio is set to 'Vertical', then click 'Next' to proceed.

With your export settings dialed in, click 'Export' to generate your vertical video. Once complete, share it with the world!

Practice makes perfect, so keep experimenting with iMovie's features to unlocked hidden gems and ultimately unleash your creative potential. Who knows? Your vertical video could be the next big thing on social media!