How to speed up slo-mo videos on your iPhone

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Dogs are good for slo-mo video.
Dogs are good for slo-mo video.
Photo: Rob LeFebvre/Cult of Mac

Your iPhone’s slo-mo function is a ton of fun to use when you’re taking action video of yourself or your buddies as you ski down mountains and base-jump off cliffs. If you’ve got an iPhone 5s or later, you know the joy of capturing all the action in a much slower timeframe and then using it to make fun of the faces your friends make when doing extreme sports.

But what if you want to un-slow all that down, maybe to focus less on the funny faces and more on the fast action?

It’s pretty simple to do, though you might not notice how at first. Here’s how to speed up the slo-mo videos you’ve taken with your iPhone.

First of all, you need a video captured with the slo-mo feature on your iPhone. You won’t be able to do any of this with regular video.

The Edit button will let you re-speed your videos.
The Edit button will let you re-speed your videos.
Photo: Rob LeFebvre/Cult of Mac

Next, open the slo-mo video in your Camera Roll and tap on the Edit button (at the bottom of the screen if you’re holding your iPhone in portrait mode, at the top right if you’ve got it held in landscape orientation).

Drag the lines together to get rid of the slo-mo section.
Drag the lines together to get rid of the slo-mo section.
Photo: Rob LeFebvre/Cult of Mac

You’ll see a dotted line at the bottom of your video. The part bounded by two larger white lines is the slo-mo section. Tap and drag either large white line towards the other one to shrink the slo-mo duration until you only have a single white line in the middle somewhere.

Now you’ve got a video that is no longer slo-mo, but reg-mo.

You can, of course, manipulate all your videos with iMovie or other third-party video apps, but this is the simplest way I’ve seen, yet.

Via: OS X Daily

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