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Multiple Ways To Achieve Face Mosaic
Achieve Auto Face Blur in Clicks
  • AI Face Mosaic helps you automatically blurs multiple faces.
  • Face Off effect blurs faces on the timeline with a click.
  • Motion Tracking keeps moving faces blurred in action.

How To Blur a Video on iMovie? Step-by-Step Guide for You

James Hogan
James Hogan Originally published Nov 25, 24, updated Dec 10, 24

To blur faces in iMovie is an essential technique for protecting personal privacy and preventing identity theft. For instance, revealing the faces of victims, such as in cases of sexual assault, can unintentionally expose their identities, which should remain confidential. This is where video editing tools come in handy. On television, various tools are used to blur faces and safeguard sensitive information. Besides protecting individuals' identities, the blurring feature is also useful for concealing other private details like car license plates, financial data, and more.

In this article, we will explore how to blur faces in iMovie, as well as introduce Filmora, a powerful alternative with even more advanced face-blurring capabilities.

In this article

Part 1: How To Blur Face using iMovie Alternative - Wondershare Filmora

So far, no version of iMovie is available for Windows. However, Wondershare Filmora can help you blur faces in videos on Windows, Mac, iOS, and Android platforms. In addition, Filmora offers many AI features and advanced editing techniques to make your video editing more efficient.

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To Blur Faces With Filmora
  • Blur faces in videos with extensive tools and dynamic interface.
  • Motion tracking ensures moving faces stay blurred in every frame.
  • AI face mosaic blurs crowds with a single click.
  • Apply face-off effect to selectively obscure faces in your video edits.
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3 Methods To Blur Faces Using Filmora

There are three major and easy ways to blur faces in videos using a desktop app. These methods include using the AI face mosaic, the face-off effect, and motion tracking. In this section, you will discover how to blur people's faces in videos using both methods.

How To blur faces using the AI Mosaic feature

AI Face Mosaic is a new feature available in Filmora version 14 and above. It helps users quickly apply mosaic coverings to sensitive individuals who should not appear on screen, especially in scenes with multiple people. Let's take a look at the steps to use this feature.

Step 1: Launch Filmora on your PC and go to "More" or select the three dots at the end of the editing options.

filmora import media
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Step 2: Click on "AI Face Mosaic". Then, import your media for editing.

filmora ai tools

Step 3: Filmora will automatically analyze the video to apply the blurring effect to faces throughout the footage. Once the analysis is done, each face will have the mosaic effect.

filmora mosaic feature

Step 4: To choose a face to remove the mosaic effect, deselect it from the right-hand panel.

filmora media properties

Step 5: You can also use the grader to adjust the strength, feather, and opacity of the blur.

filmora mosaic properties

Step 6: You can also invert the mosaic by clicking "Invert". This makes everything else, except the faces, have the mosaic effect.

inverting the blur effect

And that's it! Once you're done, preview your video and export it.

How To Blur Faces Using the Face-off Effect

Another quick and easy way to blur faces in Filmora is by using effects from the editing suite. You only need to select the face blur effect to add a mosaic to a person's face. Here is how to blur someone's face in a video using Face-off:

Step 1: Launch Filmora on your PC and click on "New Project".

filmora new project

Step 2: To import your media, drag and drop it into the editing suite or click "Import".

importing new media

Step 3: Tap "Effects" from the main menu at the top of the suite.

filmora's effect pbrary

Step 4: If you don't see the Face-off effect on the first effects page, search "Face-off" in the search bar.

filmora face-off feature

Step 5: Click on the "Face-off effect" to download it. Then, drag and drop it onto your media in the timeline. Next, preview the video to ensure the blur is in the right spot throughout it and export it.

filmora face-off properties

How To Blur Faces Using the Motion Tracking

If you want to apply a mosaic to a moving person's face, the motion tracking feature in Filmora is your best choice. Let's take a look at how this feature can be used to mosaic a face.

Step1 Import the Video and Drag It to the Timeline

Once you are done launching Filmora, select "Create New Project". Afterward, import and drop the video into the timeline.

Import the Video
Step2 Adjust the Motion Tracking Space

Now place the play head at the start and proceed with the "Motion Tracking" tool, and adjust the motion tracking space from your preview window.

adjust the motion tracking space
Step3 Start the Motion Tracking Process

Once done, hit the "Start Tracking" button. Within a few minutes, you will be able to finish this process.

start the motion tracking process
Step4 Customize the Blur Settings

Now, click the video on the timeline. In the pane on the right, under the "link element" option, you can select the overlay element you want, such as an image or mosaic.

customize mosaic blur settings
Step5 Choose Mosaic in Motion Tracking

If you choose the mosaic, a mosaic will appear over the person's face. Also, you can change the blur amount and blur opacity. Afterward, adjust the blurred space on your preview window. Once confirmed, you can export the video.

select mosaic in motion tracking
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Part 2: How to Blur Faces in iMovie?

Blur face in iMovie is difficult, but we will try to describe it in the following section. To blur face, you will need to use the picture-in-picture features. Below are the steps for you to follow:

Step 1. Firstly, you have to launch iMovie software by selecting iMovie > Preferences. After this, choose the general preference, enable Show Advanced Tools, and then close the likes of iMovie.

iMovie Show Advanced Tools

Step 2. The second step begins with choosing the video clip displayed on the license plate. After that, the clip will be shown to iMovie's viewer.

Step 3. Take a screenshot of the face by pressing Shift + Command + 4. Once you are done with it, release the mouse button. You will hear a shutter sound, which will indicate that the screenshot has been captured and saved on your desktop.

Step 4. Now you have to open it in any image editor, like Photoshop and Gaussian, which can blur your image. You can make any change in it that you want to do. After making changes, save your image to the desktop.

Step 5. Drag it over your iMovie clip and select Picture in Picture from the menu that appears. When you complete this task, the blurred image will appear as a still in the viewer and iMovie's project pane.

iMovie Blur Face

Step 6. Now adjust the length of the clip to cover the license plate for the duration of the clip.

Step 7. The last step is resizing the image and placing it in your desired location.

If the above step is not clear for you, you can watch the tutorial below to check how it works.

Conclusions

In conclusion, blurring faces in iMovie is a simple process that is perfect for basic video editing needs and ensures privacy and security. However, if you're looking for more advanced features and greater flexibility, Filmora offers an enhanced face-blurring tool along with a host of other editing options, making it an excellent choice for those who want to take their video editing to the next level.

Whether you're editing for personal or professional use, Filmora provides intuitive controls, pre-made templates, and a wide range of effects, allowing you to create polished and professional videos effortlessly. If you're serious about video editing, Filmora is a powerful alternative that can help you achieve more than just basic tasks like blurring faces in iMovie.

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FAQs About Blurring Faces in iMovie

  • Can I blur faces in iMovie?
    Yes, you can, but this process is highly technical. It requires you to have access to photo editing software like Adobe Photoshop to apply the blur effect to the still frame you exported from iMovie. You can then use the Picture in Picture feature to cover a face in your video.
  • How to blur out multiple faces in iMovie?
    Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type.
  • How to blur faces in iMovie from an iPad?
    The steps you need to take to blur a face in iMovie are the same on Mac, iPhone, or iPad, which means that you will have to create a still frame, apply the blur effect to it in a photo editing software, and then use the iMovie’s Picture in Picture feature to cover a face.
James Hogan
James Hogan Dec 10, 24
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