How to Change A Slow Motion Video on iPhone

Slow motion videos can add a fun and creative touch to your iPhone videos. Whether you want to capture a beautiful moment in slow motion or just want to experiment with different effects, the iPhone offers an easy way to create slow motion videos. However, you may sometimes find yourself wanting to change the speed of a slow motion video after it has been recorded. In this blog post, we will explore different methods you can use to change the speed of a slow motion video on your iPhone.

Why You Need to Change the Speed of Your Slow Motion Videos

There are several reasons why you may want to change the speed of your slow motion videos on your iPhone. Here are a few common scenarios:

  • You recorded a slow motion video but later realized that the speed is not what you desire.
  • You want to create a more dramatic or artistic effect by adjusting the speed of your slow motion video.
  • You want to fit your slow motion video into a specific time frame, such as for sharing on social media or incorporating into a larger video project.
  • You want to experiment with different speeds to see which one works best for a particular scene or effect.

Now that we understand the motivations behind changing the speed of a slow motion video, let’s explore different methods to accomplish this.

Video Tutorial:

Part 1. Using iMovie

iMovie is a powerful video editing app available for iPhones. It offers a variety of editing tools, including the ability to change the speed of your videos. Here’s how you can do it:

1. Open the iMovie app on your iPhone.
2. Tap on the "+ Create Project" option and choose "Movie" to start a new project.
3. Import the slow motion video you want to edit into your iMovie project.
4. Tap on the video clip in the timeline to select it.
5. Tap on the speed adjustment icon, which looks like a speedometer.
6. Drag the speed slider to the left to slow down the video or to the right to speed it up.
7. Preview the video to check the speed and make any additional adjustments if needed.
8. Once you’re satisfied with the speed, tap on the "Done" button to apply the changes.
9. Export your edited video by tapping on the share button and choosing your desired export options.

Pros:

  1. Easy and intuitive user interface.
  2. Ability to control the speed of your slow motion video with precision.
  3. Access to other editing tools and effects to enhance your video.

Cons:

  1. Requires downloading and learning how to use the iMovie app, which may not be ideal for casual users.
  2. May take additional time to import the video and complete the editing process.
  3. Only available on iOS devices, limiting compatibility with other platforms.

Part 2. Using Third-Party Apps

If iMovie is not your preferred option or you’re looking for additional features, there are several third-party apps available on the App Store that can help you change the speed of your slow motion videos. Here’s an example using the SlowFast app:

1. Download and install the SlowFast app from the App Store.
2. Open the app and grant it access to your photos and videos.
3. Select the slow motion video you want to edit.
4. Tap on the speed adjustment icon and adjust the speed slider according to your preference.
5. Preview the video to check the speed and make any additional adjustments if needed.
6. Once you’re satisfied with the speed, tap on the "Save" button to apply the changes.
7. The app will process the video and save it to your iPhone’s Photos app.

Pros:

  1. Wide range of third-party apps available, offering various editing tools and effects.
  2. Potential to find apps with advanced features specifically designed for editing slow motion videos.
  3. Flexibility to choose an app that suits your personal preferences.

Cons:

  1. May require additional cost or in-app purchases to unlock all features.
  2. Potential compatibility issues with specific apps depending on your iPhone model and iOS version.
  3. App quality and user experience can vary between different third-party apps.

Part 3. Using Online Video Editors

If you prefer to edit your slow motion videos on a computer or have limited storage on your iPhone, using an online video editor can be a convenient option. Here’s how you can change the speed of your slow motion videos using the Kapwing online video editor:

1. Open a web browser on your computer and navigate to the Kapwing website.
2. Click on the "Get Started" button to access the video editor.
3. Drag and drop your slow motion video into the editor or click on the "Upload" button to select the file from your computer.
4. In the editor, you will see a timeline with your video. Click on the video to select it.
5. On the right-side panel, scroll down to find the "Speed" option.
6. Adjust the speed slider to the desired speed.
7. Preview the video to check the speed and make any additional adjustments if needed.
8. Once you’re satisfied with the speed, click on the "Create" button to process the video.
9. After the video has finished processing, click on the "Download" button to save it to your computer.

Pros:

  1. No need to install additional apps on your iPhone.
  2. Compatible with both Mac and Windows computers.
  3. Access to additional video editing features and effects offered by online editors.

Cons:

  1. Requires an internet connection to use the online video editor.
  2. May have limitations on file size or require a paid subscription for certain features.
  3. Processing times can vary depending on the length and complexity of your video.

Part 4. Using Video Speed Changer Apps

If you only need to change the speed of your slow motion videos and don’t require advanced editing features, using a dedicated video speed changer app can be a straightforward solution. Here’s an example using the Video Speed Changer app:

1. Download and install the Video Speed Changer app from the App Store.
2. Open the app and grant it access to your photos and videos.
3. Select the slow motion video you want to edit.
4. Drag the speed slider to the left to slow down the video or to the right to speed it up.
5. Preview the video to check the speed and make any additional adjustments if needed.
6. Once you’re satisfied with the speed, tap on the "Save" button to apply the changes.
7. The app will process the video and save it to your iPhone’s Photos app.

Pros:

  1. Simple and easy-to-use interface.
  2. Dedicated app specifically designed for changing video speed.
  3. Quick and efficient processing of videos.

Cons:

  1. May have limited or no additional editing features.
  2. Potential compatibility issues with specific apps depending on your iPhone model and iOS version.
  3. App quality and user experience can vary between different video speed changer apps.

What to Do If You Can’t Change the Speed of Your Slow Motion Videos

If you encounter difficulties or limitations when trying to change the speed of your slow motion videos using the methods mentioned above, here are three alternative solutions:

1. Trim the Video: If you’re unable to change the speed of the slow motion video, you can trim the video to remove unwanted parts and create a shorter version. This can help you achieve a faster playback effect without altering the original slow motion speed.

2. Use a Video Editing Software: If you have access to video editing software on your computer, such as Adobe Premiere Pro or Final Cut Pro, you can import the slow motion video and make adjustments to the speed using the software’s advanced editing tools.

3. Seek Professional Assistance: If you’re struggling to achieve the desired speed for your slow motion video or require more complex editing, consider reaching out to a professional video editor who can help you achieve the desired results.

Bonus Tips

Here are three bonus tips to enhance your slow motion video editing experience:

1. Experiment with Different Speeds: Don’t be afraid to try different speeds to find the perfect effect for your slow motion videos. Sometimes a subtle adjustment can make a big difference in the overall impact.

2. Combine Slow Motion with Regular Speed: Consider combining sections of your slow motion video with regular speed footage to create dynamic and engaging content. This can add a fresh and unique element to your videos.

3. Add Music and Effects: Further enhance the mood and style of your slow motion videos by adding appropriate music and effects. This can help create a more immersive and entertaining viewing experience.

The Bottom Line

Changing the speed of your slow motion videos on your iPhone opens up a world of creative possibilities. Whether you choose to use built-in apps like iMovie, explore third-party apps, or utilize online video editors, there are various methods available to achieve the desired results. By following the steps outlined in this blog post and considering the alternative solutions mentioned, you can easily change the speed of your slow motion videos and take your video editing skills to the next level.

5 FAQs about Changing the Speed of Slow Motion Videos on iPhone

Q1: Can I change the speed of a slow motion video that is already saved in my iPhone’s Photos?

A: Yes, you can change the speed of a slow motion video that is already saved in your iPhone’s Photos using the methods mentioned in this blog post. Simply import the video into the respective app or online editor and follow the steps to adjust the speed.

Q2: Will changing the speed of a slow motion video affect its quality?

A: Changing the speed of a slow motion video can sometimes affect its overall quality, depending on the app or editor you use and the adjustments made. It is recommended to preview the video after making the speed changes to ensure the desired quality is maintained.

Q3: How much can I slow down or speed up a slow motion video?

A: The amount you can slow down or speed up a slow motion video depends on the app or editor you use. Some apps allow for finer adjustments, while others may have predefined speed increments. Experiment with different speeds to find the desired effect.

Q4: Can I change the speed of a slow motion video on my iPhone without any additional apps?

A: Yes, you can change the speed of a slow motion video on your iPhone without any additional apps by importing the video into desktop video editing software. However, this option requires a computer and video editing software such as Adobe Premiere Pro or Final Cut Pro to complete the process.

Q5: Is it possible to change the speed of a slow motion video without affecting the audio?

A: In most cases, when you change the speed of a slow motion video, the audio will also be affected. If you need to maintain the original audio, it is recommended to extract the audio from the video before making any speed adjustments and then re-attach the audio after the speed changes have been made.