Full Guide on How to Speed Up Videos on iMovie for iPhone/iPad/Mac

December 17, 2021Ashley Mae

iMovie is the default video editor app for iPhone/iPad/Mac. With its powerful functions, you can also speed up videos on iMovie to add special effects, which will help you make your videos more interesting and attractive. So how to apply this magic effect? Whether you want to make time-lapse videos, speed up your sound, or just want faster playback, you can learn 3 efficient ways to speed up videos on iMovie for your iPhone/iPad/Mac in this article. Please keep reading and learn about the detailed steps.

Speed Up Videos on iMovie

Part 1: How to Speed Up Videos on iMovie for iPhone/iPad

The usages of iMovie for iPhone and iPad devices are very similar. With simple taps, you can speed up videos on iMovie. Follow the next steps to learn more.

Step 1:
Open iMovie on your iPhone/iPad, and tap the Plus icon on the main interface. Tap the Movie button and browser your album. Then choose the desired videos to speed up through iMovie.
Create a new project iMovie iPhone
Step 2:
In the editing interface, you can see all the tools below the videos, including the trimmer, speed controller, etc. To speed up videos on iMovie for iPhone/iPad, you should tap on the Clock icon and pull the slide to the right. Although you can adjust the speed freely, the maximum speed is only 2X faster than before.
Speed up video iMovie iPhone
Step 3:
After that, tap the Done button at the top-left corner to start speeding up videos on iMovie. Then, you can choose to save the video or share it on media platforms.
Save the videos iMovie iPhone

Part 2: The Detailed Steps to Speed Up Videos on iMovie for Mac

iMovie for Mac is relativity more difficult for beginners because of more features. And different versions of iMovie will lead to different steps to speed up videos on iMovie for Mac. Here you can learn the detailed steps for commonly-used iMovie 10 and steps to speed up videos such as MP4 on iMovie 11/9.

1. Speed Up Videos on iMovie 10

Step 1:
Launch iMovie on your Mac and import your videos to iMovie. Then drag the desired videos to add to the timeline. After you choose the video, you can preview it on the top-right screen.
Add files on iMovie mac
Step 2:
In the preview screen, you can click the Clock icon to control the speed. Just click the Downward button to choose the Fast option, and then select the desired speed from 2X, 4X, 8X, and 20X. In this way, you can easily speed up videos on iMovie 10 for Mac. At last, you can click the Export button at the top-right corner to save or share the video.
Speed up videos on iMovie mac

2. Accelerate Videos on iMovie 11/9

Step 1:
Click the File menu and choose the Import option to add the desired videos. Then you need to drag the videos to the Project to create a new project.
Step 2:
Double-click the added videos in the Project Browse box, and an Inspector window will pop up. In the Clip menu, you can drag the slider to the right to speed up videos on iMovie 11/9. After that, click the Done button to save the changes.
Speed up video imovie

Part 3: The Ultimate Alternative Way to Speed Up Videos on Windows/Mac

Since iMovie for iPhone/iPad only supports speeding up videos to the maximum of 2X speed, and iMovie for Mac is difficult to use. Here you can also learn about the professional speed controller - Aiseesoft Video Converter Ultimate to speed up videos easily without iMovie. With simple clicks, you can slow down or speed up videos on Windows/Mac with high quality.

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Step 1:
Launch Aiseesoft Video Converter Ultimate on your Windows/Mac. Click the Toolbox menu and choose the Video Speed Controller option. Then click the Plus icon to add videos.
Choose the video speed controller
Step 2:
To speed up videos without iMovie, you just need to choose the speed rate between 1.25X to 8X below the preview screen. After you choose the speed rate, you can preview the effect in real time and adjust the settings.
Video speed controller new
Step 3:
Click the Output menu and change the video format, resolution, frame rate, etc. At last, you can click the Save To menu to select the desired storage path and click the Export button to start speeding up videos without iMovie.
Adjust the video quality settings

Part 4: FAQs about Speeding Up Videos on iMovie

1. How fast can I speed up videos on iMovie?

iMovie for iPhone/iPad and Mac support different speed rates. You can only speed up videos in iMovie on iPhone/iPad at 2X speed, but the iMovie for Mac enables you to accelerate videos to 20X faster speed.

2. Can I slow down videos in iMovie on iPhone/iPad?

Of course, you can. The speed controller function on iMovie supports slowing down and speeding up videos. You can slow down videos on iMovie from 0.1X to 1X.

3. How to speed up videos on iPhone without iMovie?

Besides speeding up videos in Movie on iPhone, you can use the Photos app to speed up slo-mo videos. You can find this function in the editing tool. Of course, you can also rely on third-party video editor apps to control the speed of videos.


Now you have learned how to speed up videos on iMovie for iPhone/iPad/Mac. You should pay attention to the iMovie version and find the right steps to follow. Maybe iMovie is a little difficult for beginners to use, so you can also download the easy-to-use speed controller- Aiseesoft Video Converter Ultimate to speed up videos on Windows/Mac. It also provides multiple additional functions to keep the high quality of videos. To know more, click to learn how to speed up online videos smoothly. If you have questions, please leave your comments below.

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