How to Speed Up or Slow Down Video Files Using iMovie (iPhone/Mac)

Lynn Hu Lynn Hu
Feb 16, 2022 (Updated: Oct 31, 2022)Filed to: Video Editing

The speed-up effect plays a huge part in creating a video, especially when you want your audience to pick up the mood in a movie. Luckily, if you are Apple users, you can directly speed up or slow down videos with iMovie to add funny or dramatic effects. This default tool also provides many useful tools to edit your video professionally. Read further to learn how to speed up or slow down your video in iMovie on iPhone and Mac.

How to Speed Up/Slow Down Videos in iMovie on iPhone

As mentioned, iMovie is a dedicated and free application for Apple users to speed up/slow down videos. However, unlike the Mac version, iMovie on iPhone only offers a small portion of its unique features. With that said, iMovie still professionally changes the speed of your video files in a few clicks. Follow the steps below on how to speed up or slow down video files using iMovie on iPhone:

Step 1.Once done, launch it to start editing. Click the "Add" button and click the "Movie" button to create a new project. Choose the desired video clip or browse albums to edit and import them to the app. Tap the clip on the track for the editing tools to appear.

Step 2.At the bottom part of the screen, tap the "Speed" button for the speed options. Select a part of the clip you want to change the speed, then move the speed slider to speed up/slow down videos on iMovie. Then click the "Add" button to apply speed.

Step 3.You can do more editing, such as trimming the clip, inputting text/title, or adding another clip. Once satisfied with the changes, click the "Done" button at the top left part of the interface. After that, you can change the name of the video clip.

Speed Up Slow Down Videos iMovie iPhone

How to Speed Up/Slow Down Videos in iMovie on Mac

If you prefer editing your video file on a computer or laptop, the Mac version of iMovie is available. This version of iMovie has more features you might need for editing video clips. Moreover, it is also easy to change video speed in any way you like it. Let's get started on how to speed up or slow down video files using iMovie on Mac:

Step 1.Open the iMovie software on your Mac to start video editing. Click the "Import Media" button to upload the desired video file. Once uploaded, drag the clip to the timeline, then click it again to make the editing tools appear.

iMovie Mac Import Media

Step 2.Click the "Speedometer" button to start changing the video speed. Choose the desired speed for your video clip from the "Speed drop-down" menu. Select from the "Speed Set" how fast or slow the pace would be.

iMovie Mac Speed Up Slow Down Videos

Step 3.Once done, you can also select a part of the video then hold the "R" key to drag across the clip. Click the "Speed drop-down" menu to customize the speed. You can repeat this method if you have other clip parts want to speed up/slow down on iMovie.

iMovie Mac Change Speed Pace

The Ultimate Way to Speed UP/Slow Down Videos on Windows/Mac

Using iMovie to speed up/slow down videos is excellent when you get familiar with it. However, this is not the case for other users because of its complex interface, especially beginners. So to make it easy for you, AnyRec Video Converter is the best to use. This software has terrific functions like iMovie that help professionally speed up or slow down the speed of your video clip. Moreover, you don't need to worry about video quality because AnyRec Video Converter offers high-quality resolutions and parameter adjustments.

AnyRec Video Converter Package
AnyRec Video Converter

Change video speed from 0.125x slower speed to 8x faster easily.

Support any video file format to edit like MOV, WMV, MP4, etc.

Change the output settings, like frame rate and resolution to keep quality.

Offer other essential tools like video merger, converter, and more.

Free Download

100% Secure

Free Download

100% Secure

How to speed up or slow down video clips with AnyRec Video Converter:

Step 1.Once you have downloaded the software on your device, open it to start editing. Locate and click the "Toolbox" button on the menu at the top part of the pane. Select the "Video Speed Controller" button and upload the desired video file.

Choose The Speed Controller

Step 2.Choose the desired speed for the clip. If your video is long and you want to speed it up, choose the 8x speed. However, you can select the 2x for a moderate pace. Or slow it down up to 0.125x speed.It's much better than speeding up/slowing down videos in iMovie.

Video Speed Controller

Step 3.If you want to change the video settings, click the "Settings" button on the "Output" section. You can change the video format, resolution, frame rate, encoder, and more. After editing, click the "OK" button.

Adjust Output Settings

Step 4.Go back to the main editing pane. Choose the designated folder on the "Save To" option. After browsing the correct folder, you can click the "Export" button to start the process. The chosen folder will automatically appear, showing the edited video clip.

Save To Export

FAQs about Speeding Up/Slowing Down Videos in iMovie


When you don't like the pace of your video file, you can speed up or slow down videos using iMovie. It has unique features you can use to modify your video files. But if you find this software hard to navigate and think it might take some time to get used to it, you can use AnyRec Video Converter instead. You can have as much speed as you want without losing quality. Welcome to contact us and leave your suggestions.

Free Download

100% Secure

Free Download

100% Secure

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