How to speed up a video?

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How to Speed Up a Video

Edited by Pat Bitton

March 19, 2020

Speeded-up video is often used in movies and TV shows to create a comedic effect. You can also apply a fast forward effect to long scenes in your movie to reduce the total running time. It’s particularly helpful in instances where you want to show the whole scene but don’t want to make the movie overly long. Also, speeding up a video might be useful when you need to get through a long lecture or create a summary of someone’s speech.

So, what do you do if you want your video to play back faster? There are several tools that can help. In this article, we’ll describe how to speed up a video with a desktop program or a mobile app. Click one of the links below to proceed to the appropriate section.

How to Make a Fast Motion Video on a PC or Mac

With Movavi's video speed accelerator, you can easily control the playing speed of your film. Movavi Video Editor can accelerate your video by up to 10 times in just a few clicks. The software is also an all-in-one video editing tool that you can use to create your own movies, complete with special effects, music, and title text. The video tutorial below will guide you through the acceleration process.

Install Movavi Video Editor

Download our video speed editor to your computer, launch the setup, and follow the installation instructions.

Add Your Video to the Program

Start the app and choose Create project in full feature mode. After that, click the Add Media Files button, and locate the existing video file you want to speed up.

The video you’ve chosen will be automatically added to the Timeline at the bottom of the program window.

Speed Up Video Playback

To increase the video speed, click the Clip Properties button and move the Speed slider to the right. Experiment with the slider to set the optimal video speed-up rate.

Adjust the Soundtrack (Optional)

When you change the video playback speed, the audio speed also changes. If you want to speed up only the video sequence, keeping the original soundtrack speed, here’s how to do it.

First, mute the original audio. To do this, click the Mute track icon as shown in the screen image.

Upload the original video to the program one more time. Click on the audio under the video clip, drag it to the Audio Track, and place it below the original video clip. Then delete the video you’ve just added.

Now you have the accelerated video with the original soundtrack. You can also add a completely new audio track to your speeded-up scene – check our guide to adding audio to video for more information.

Export the Finished Video

You can save your final video in any popular video format (MP4, AVI, WMV, MPEG/MPG, etc.) and prepare it for uploading to the Web, for viewing on a mobile device or even on an Ultra HD TV.

Click the Export button and choose your preferred option, for example Save Video File or Save for Devices. Then choose your desired video format or device model and click Start. The program will save the movie to your computer’s hard drive, in the folder you specified. Now you know how to use Movavi Video Editor as a video speed increaser!


Movavi Video Editor

Creating videos has never been so easy!

  • Edit video clips, images, and audio on a timeline
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  • Use special effects like Chroma Key and Slo Mo
  • Export videos in any popular format

* The free version of Movavi Video Editor has the following restrictions: 7-day trial period, watermark on the output videos, and, if you’re saving a project as an audio file, an ability to save only half the audio length. Learn more

How to Speed Up a Video on an iPhone

If the video you want to speed up is stored on your iPhone, there’s no need to transfer it to your computer. Just get Movavi Clips – the mobile video editor from Movavi – and start experimenting. Here’s a quick guide to accelerating a video clip on your iPhone. First, download and launch the app.

Upload Your Clip

Touch the big round button with the Plus sign and choose the Video option. Define the aspect ratio of your clip. Then find the clip on your iPhone and tap Start editing.

Change the Speed of the Video

On the toolbar, find the Speed icon. Tap it. A new window will open. Choose the new speed for your video by moving the scale below the clip. Touch the Apply button, then tap Save at the top right, and then at the bottom. Your accelerated video is ready!


Now you know how to change video speed on an iPhone. Below, you'll find a guide on doing the same thing on an Android phone.

How to Use a Video Speed Changer on an Android Phone

Movavi Clips is also available on Google Play with almost the same features as the iOS version. This app will speed your clip up in no time! Download and run the app, then follow the instructions below.

Add Your Video to the App

Tap the Plus button at the bottom of the main screen. Select Video and locate your clip. Tap it and touch Start editing. Specify the aspect ratio of your video.

Make the Clip Playback Faster

On the toolbar, tap the Speed icon. Move the slider to the right to accelerate the clip. Touch Apply and then tap the Floppy disc icon. On the new screen, touch Save. You’re done!


Movavi Clips

Processing and editing videos and photos

  • Add transitions, music, and stickers
  • Choose the desired frame fragment
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  • Speed up and slow down videos