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How to Speed Up iPhone Videos with iMovie’s Retiming Feature

13th August 2023

Jacob Woolcock

1:52

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Unlock the full potential of your iPhone videos with this tutorial on using iMovie’s dynamic speed effects! Discover the art of time manipulation as I guide you step-by-step through the process of accelerating your footage to 2x, 4x, 8x, and beyond. Transform ordinary moments into high-energy highlights and create captivating time-lapse sequences that will leave your viewers in awe. Whether you’re a seasoned content creator or just getting started, these easy-to-follow instructions will empower you to master the technique and enhance your storytelling prowess. Join me on this creative journey and make your videos stand out with the incredible speed-up capabilities of iMovie. Don’t miss out – hit that play button and let’s dive into the world of cinematic acceleration!

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I’m often asked how you can speed up a video taken on the iPhone.

Now, of course with a Timelapse you can edit it nicely, and a Slow-mo you can edit that as well, but a regular video doesn’t really give you the option to change the speed.

Well, let me show you how we can speed up this video at Gatwick airport using the iMovie app on your iPhone…

When you open iMovie you’re going to tap at the bottom where it says Create New Project and you’re just going to create a regular Movie Project.

From here you then need to navigate to that video file, (so for me I’m going to All Media and then Videos and then it should be there at the top) and all I’m going to do is tick on this video and at the bottom I’m going to Create Project.

That’s going to make a new, blank iMovie project for me with just that one video clip on my timeline.

At the moment you can see the length of this clip is about eight seconds long, but we want to make it much quicker than that so I’m going to tap on the clip once.

At the bottom I’m going to choose the little speedometer icon (like you might see in a car) and from here I’ve got a sliding bar.

I can drag it to the left to make the video slower or I can drag it to the right to make the video double speed.

You can see it’s worked because the time has gone from eight to four seconds!

But I know what you’re thinking… “Jacob that’s not quick enough! I want my video for 8, 16 times faster!”

Well fear not! What we’re going to do is we’re going to come out of this project, back to the overview page, and we’re going to Export this new video to the Photos app.

Now I’ve done that I’m going to go back into my project and delete that first clip, and now it’s deleted I’m going to use the Media Browser to locate the new four second clip that I just exported.

I’m going to drop that onto my timeline, I’m going to press the speedometer icon, and I’m going to double the speed of that one as well.

And of course you can keep this process going as many times as you want to until your video is just the speed you need!

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