How to Speed Up a Video on iPhone | iMovie

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One of the most featured uses for iPhone cameras is SLO-MO. This is an interesting feature that lets users capture slow-motion videos using an iPhone. This is a very funny and loved feature but this also lacks the flexibility it deserves. It doesn’t come with the functions to further edit the video. Basically, if you want to speed up the video, you won’t be able to do it. So, how to speed up a video on iPhone?

Well, there are ways to achieve speed change of a video on an iPhone. Below, we have discussed a few easy and flexible options. Let’s have a look.

How to Speed Up a Video on iPhone Using Photos App

Photos app is the easiest way to make the video speed faster on an iPhone. Photos app is a built-in application that is available on every iPhone on the planet.

There won’t be any availability issues. You will be able to speed up the slo-mo videos by using the editing features of the application. So, without further ado, here’s how to speed up a video on iPhone…

  • Step#1: Open the Photos app on your iPhone.
  • Step#2: Then, navigate to the Albums > Media Types > Slo-mo.
  • Step#3: Tap on the slo-mo video that you wish to speed up.
  • Step#4: When the video opens, tap on the Edit option.
  • Step#5: At this point, there will be several vertical lines at the bottom of the panel. These lines indicate the video speed when it was recorded. The closer lines indicate the regular speed but the lines that are distant from each other, indicate slo-mo.
  • Step#6: So, tap on the bar with lines in it. Drag your fingers through the slo-mo part of the video. If you do this, all the lines will get closer together which means the video is no longer slo-mo anymore.

You have changed the speed of the video successfully. Now, tap on the Done button to save the changed video.

Speeding Up Videos on an iPhone Using iMovie

If you are looking for something more versatile than the Photos app, then opt for the iMovie app to change the video speed on an iPhone.

iMovie is an editing app and it was developed by Apple. But this app doesn’t come built-in but you can download it easily from the App Store. You will also have access to a lot of editing and filtering features. So, here’s how to speed up a video on iPhone…

  • Step#1: Launch iMovie on your iPhone.
  • Step#2: Tap on Create Project and then Movie. After that, tap on Media.
  • Step#3: Then, navigate to Video > Slo-mo.
  • Step#4: Select the Slo-mo video you want to speed up. And do not forget to tap on the checkmark on the pop-up menu.
  • Step#5: Then, tap on Create Movie.
  • Step#6: Now, you have to go to the timeline of the video in order to access the editing options.
  • Step#7: There is a Clock icon. Tap on it to access the speed controls.

The speed controller is very funny. It is a set of lines with a Turtle in one end and a Rabbit in the other. And there will be a number beside the rabbit icon, indicating the speed of the video.

  • Step#8: So, start moving the speed control slider, and if the number beside the rabbit shows 1X that will mean that the video is running at normal speed.

You have successfully changed the speed of the video to normal. Now, tap on Done to save it. There is also an Action button, you can tap on it to export or share the video.

Note: In the previous 2 procedures, we have only discussed the way to speed up a video on an iPhone. But a lot of users have also asked, how to slow down a video on iPhone?

You probably haven’t noticed but the discussed procedures are all about changing the speed of the video. They are not specifically about speeding it up. So, you can use the same procedure to slow down the speed of a video on an iPhone, if you were wondering.


The discussed video editing tools are very convenient for all types of iPhone users. If their need is only to work with SLO-MO videos, then they do not require heavy tools, and the Photos app is just enough. But for more versatile users iMovie will provide great support. Nonetheless, the option to use 3rd party editing tools is still available for more enthusiast users.