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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 Face in Videos With Avidemux

James Hogan
James Hogan Originally published Nov 09, 24, updated Dec 10, 24

It happens many times that a picture contains some unwanted content but it is not possible to remove that. Are you also encountering such a dilemma? Don’t worry! This task can be now accomplished using Avidemux video editing tool. The blur face tool available in this software provides facility to cover any undesired part so that your privacy can be improved while delivering the required content only. If you are searching for steps to complete face blur in Avidemux then the details available below can help you to understand this process completely.

In this article

Part 1. How To blur face in Avidemux?

Steps for completing face blur task are as below:

  1. First of all create an image of circle along with transparent background and save it with .PNG extension.
  2. Now open your desired video file on Avidemux software.
  3. Go to menu and then select video, open video filter manager and select Mplayer delogo from available options.
  4. In appeared new window, now select your logo file and adjust X,Y positions for pixels, choose proper transparency value and then hit OK.
  5. Again move to video filter manager window and click over partial button, one more window will appear on screen. You need to enter frames over here and then hit Ok.
  6. Hit the close button of video filter manager window.
  7. Go to main window of software tool and adjust encoding type of this video to default.
  8. Finally re-save your video file.

If anything is still unclear, you can refer to the following tutorial video.

Part 2. Wondershare Filmora: Make Face Blurring in Your Videos More Efficient

While Avidemux offers basic face blurring capabilities, those seeking a more comprehensive and user-friendly experience might consider Wondershare Filmora. It's one of the most reliable platforms that you can come across to edit and modify your videos. It also offers preset templates and an Instant Mode that can help you create a video from scratch efficiently. Also, it provides fast rendering speed so that you can see your final results instantly.

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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

Conclusion

Using face blur in Avidemux can be effective for straightforward video editing tasks. However, if you're looking for a more intuitive and feature-rich experience, Filmora is highly recommended. It offers an easy-to-use interface with advanced tools, making it ideal for both beginners and seasoned editors. Filmora simplifies complex editing processes while delivering professional-quality results, making it a superior choice for those aiming to enhance their video projects effortlessly.

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James Hogan
James Hogan Dec 10, 24
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