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2 Best Ways To Slow Down Videos on iPhone (iMovie & More)
Video Editing

2 Best Ways To Slow Down Videos on iPhone (iMovie & More)

May 10, 2024 · 3 minutes read
2 Best Ways To Slow Down Videos on iPhone (iMovie & More)

Ever try to slow mo a video on iPhone just to create a dramatic effect? Well, you are certainly not alone.

If you have watched one or two action movies, it’s not hard to find some slow motion scenes in them (Say Matrix, X Men, Inception). This trick is certainly no stranger in drama movies.

via GIPHY

And guess what? You can do the same slow-motion effect right on your iPhone! In this blog, we'll show you how to slow down a video using video editing apps on your iPhone.

How to Slow Mo a Video on iPhone On iMovie


how to make video slow motion iphone

iMovie is a video editing app that's pretty familiar to iPhone users. It comes pre-installed on iPhones, offering a bunch of basic editing tools to tweak your videos without much fuss.

Step 1: Open iMovie

Launch iMovie on your iPhone. If it's not already installed, you can easily download it for free from the App Store.

Step 2: Start New Project

Tap Start New Project, and then choose Movie.

how to make video slow motion iphone

Step 3: Import Your Video

Select the video you want to slo mo, and then click on Create Movie.

how to make video slow motion iphone

Step 4: Slow Down a Video

  • Tap on the video clip and select the Speed icon below

how to make video slow motion iphone

  • Decide how slow you want the scene to be

how to make video slow motion iphone

Step 5: Preview the Slo Mo Effect

Make sure to always preview and check the slow-motion effect before you export the video.

Sometimes, using slow motion can make the video a little blurry or choppy. So, it's important to find the right balance.

iMovie: preview the slo mo effect

How to Slow Down Videos on iPhone: Easy and Quick

Aside from iMovie, YouCam Video is another popular and free video editing app known for customizing selfie videos.

It also includes user-friendly editing tools for slowing down videos, enjoyable effects, and features to enhance videos.

To slow down video speed with YouCam Video, follow below steps:

Step 1: Download YouCam Video

YouCam Video: How to slow mo a video on iPhone

You can find YouCam Video on the Apple Store and download it from there.

With a 4.7 rating on App Store, YouCam Video is a professional video editing app especially for creating selfie videos.

Step 2: Import Your Video

YouCam Video: how to slow a video down on iphone

Step 3: Start Editing Your Video

  • Tap on “Edit” and choose “Speed” to slow down a video

YouCam Video: how to slow a video down on iphone

  • You can also split the video into several parts

YouCam Video: how to slow a video down on iphone

  • Choose one clip and decide how slow you want to make a scene

YouCam Video: how to slow a video down on iphone


More Recommended Video Speed Changer for Slow Mo Videos 🐢

Most video editing apps offer features to slow down your video. Here are three apps we found that also provide smooth slow motion.

#1 Slow Motion App: VivaVideo

VivaVideo: how to slow a video down on iphone

#2 Slow Motion App: InShot

InShot: how to slow mo a video on iphone

#3 Slow Motion App: Videoleap

Videoleap: how to make video slow motion iphone

FAQ about iPhone Slow Mo

What is the purpose of slow motion video?

Filmmakers and videographers use slow motion as a creative tool to convey mood, atmosphere, or aesthetic beauty. It can add a dreamlike quality to visuals or create a sense of suspense and tension.

In some of the cases, slow motion is also ideal for capturing fast-paced action shots, such as extreme sports tricks, wildlife encounters, or adrenaline-fueled adventures.

How to make a normal video slow motion on iPhone 13?

To make a normal video slow motion on an iPhone 13, follow these steps:

  • Open the "Photos" app on your iPhone 13.
  • Find and select the video you want to edit from your camera roll or albums.
  • Tap on "Edit" in the top-right corner of the screen.
  • Below the video timeline, you'll see a series of icons. Tap on the one that looks like a speedometer.
  • Now, you'll see a slider at the bottom of the screen labeled "Speed." Drag the slider to the left to slow down the video.
  • Preview the video to ensure you've achieved the desired slow-motion effect.
  • Once satisfied, tap on "Done" in the bottom-right corner of the screen.
  • Finally, tap on "Save as New Clip" to save the edited slow-motion video as a separate file, or tap "Save Video" to replace the original video with the edited version.

That's it! You've successfully created a slow-motion video on your iPhone 13.

How to make a video slow motion after recording?

To make a video slow motion after recording, you can consider using third-party apps besides iMovie, which can have a better slow mo effect.

  • Choose a Third-Party App: Visit the App Store on your iPhone and search for "slow motion video editor." There are several apps available, such as YouCam Video, Slow Fast Slow, SloPro, and Adobe Premiere Rush. Download and install the app of your choice.
  • Import Your Video: Open the app and import the video you want to edit from your camera roll or any other location where it's stored.
  • Edit Speed: Once your video is imported, look for an option to adjust the speed or playback rate. This may be represented by a slider or specific buttons within the app. Typically, you'll have the option to slow down the video by setting a lower playback rate.

Is there an app to make videos slow motion?

Yes, there are actually several apps available for iOS that allow you to make videos slow motion.

Some popular options include:

  • YouCam Video: With a rating of 4.7 on the Apple App Store, YouCam Video provides features to both speed up and slow down videos, along with tools to enhance video quality.
  • Slow Fast Slow: This app is available for iOS devices and offers easy-to-use tools for adjusting the speed of your videos, including slowing them down to create a slow-motion effect.
  • SloPro: SloPro is another iOS app specifically designed for creating slow-motion videos. It offers various editing features and allows you to control the speed of your videos with precision.
  • Adobe Premiere Rush: Available for both iOS and Android devices, Adobe Premiere Rush is a versatile video editing app that includes the ability to adjust the speed of your videos, including slowing them down for a slow-motion effect.
  • KineMaster: KineMaster is a popular video editing app available for both iOS and Android devices. It offers a range of editing tools, including the ability to adjust the speed of your videos to create slow-motion effects.

How can you slow down a video without making it look choppy or blurry?

Slowing down a video without making it look choppy or blurry requires careful attention to several factors:

  • Frame Rate: Ensure that the original video was recorded at a high frame rate. The higher the frame rate, the smoother the slow-motion effect will appear. Ideally, aim for a frame rate of 60 frames per second (fps) or higher.
  • Software or Tools: Use specialized slow-motion apps that are designed to handle slowing down footage while maintaining quality. These tools often have advanced algorithms to interpolate frames, resulting in smoother slow-motion playback.
  • Interpolation: Some video editing software offers frame interpolation features, which can generate additional frames between existing frames to create smoother motion.

However, this technique may sometimes introduce artifacts, so use it judiciously and adjust settings as needed.

Does slowing down a video reduce quality?

Slowing down a video can potentially reduce its quality, but it depends on how the slow-motion effect is applied and the quality of the original footage.

For instance, when you slow down a video, you're stretching the existing frames over a longer duration, which can make motion appear smoother.

However, if the original footage has a low frame rate, stretching it too much can result in a choppy or stuttering appearance.

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