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AI Face Blur | How to Blur Faces in Videos Automatically And Intelligently

"What is the easiest way to blur faces in a video? Is there an app to blur faces in videos?" - Monica Cortez

In the digital age, privacy is a massive concern. The fear of being stalked, recorded and exposed online is real. To protect our identity while sharing personal videos online, we can use face blurring technology to blur out faces automatically in videos. This article will help you understand what is AI face blur and how to apply it in your videos using AI-powered software like AVCLabs Video Enhancer AI.

how to faces in videos

problem Part 1: What Is AI Face Blur

AI Face blurring is a technology that allows you to blur out human faces in your videos automatically and smartly. AI face blurring uses AI to identify the faces in a video and then blurs them out. Face blurring is a part of video watermarking. Video watermarking is the process of adding information either in audio or visual parts of your video files to protect your content from piracy. AI face blurring is used in combination with other video watermarking techniques like logo overlay, image watermarking, and audio watermarking to protect your videos from being copied or used without your permission.

what is ai face blur for video

problem Part 2: Why You Should Use AI for Automatic Face Blurring

There are three major advantages of using AI to blur out faces in videos. First, you can use it to protect sensitive images like people’s faces, personal information, or private data. Blurring faces automatically helps you maintain personal privacy while sharing and publishing videos. Second, you can use AI-powered face blurring to blur out faces in a professional quality. Poorly or inaccurately done face blurring can cause a bad user experience and can even be illegal in some countries. Blurred Faces AI provides a visual and audio experience that is pleasant and professional. Third, you can use AI to blur out faces in large batches. This helps you save time and cost as you do not have to manually blur each face for each video.

problem Part 3: How to Blur Faces in Videos Using AVCLabs Video Enhancer AI

When it comes to blurring faces in videos for data privacy, an AI-based face blurring software named AVCLabs Video Enhancer AI is highly recommended. As one of the best apps to blur faces in videos, AVCLabs Video Enhancer AI comes with an inbuilt face blurring feature. Through machine learning and powerful algorithms, you can apply it to any video and it will automatically find the faces, blur them, and apply other video editing at the same time.

What's more, AVCLabs Video Enhancer AI helps improve the video quality automatically by super-resolution, denoising, deinterlacing, sharpening, etc. Powered by the AI technology, it handles everything automatically, no advanced video editing skills are required. Equipped with multiple AI models and flexible subscription plans, it can meet the different needs of users.

Video Enhancer AI

  • Enhance the video quality to make them more aesthetically pleasing.
  • Upscale videos from SD to HD, HD to 4K.
  • Sharpen faces from blurry video and enhance facial details.
  • Support denoising and deinterlacing videos as well as cropping videos to fill frame.
  • Support adding blur to a moving face in a video to protect privacy.
  • Support GPU & TensorRT acceleration.
video enhancer ai

The following steps will help you apply face blurring in your videos using AVCLabs Video Enhancer AI.

Step 1
Install and Run AVCLabs Video Enhancer AI

Warm tips: you can click here to check whether your CPU or GPU is capable of adding blur to a moving face in a video with AI.

Firstly download the AVCLabs Video Enhancer AI from the above button and install it on your Windows PC or Mac, then double-click on the icon to launch it.

main interface
Step 2
Add A Video to AVCLabs Video Enhancer AI

Simply drag & drop a videos from your computer to the program. You can also click on the Browse button at the bottom of the program interface and upload the video file you need from the computer. Additionally, you are able to click on the Menu button and choose "Open Video File..." to add a video from the computer to the program.

Note: AVCLabs Video Enhancer AI supports the most common video formats like 3G2, 3GP, AVI, DIVX, FLV, F4V, M2TS, MTS, MOV, MP4, M4V, MKV, etc.

add video to blur face
Step 3
Select the Processing AI Model and Set the Output Parameters

Before blurring faces in the video, you are suggested to modify some critical parameters like processing model, output resolution, output format and output path.

Just choose the AI Face Blur option form the Feature List in the upper-right panel of the program. And then go to the Model Settings > Blur Model, select Gaussian Blur or Select an image as a blur from the drop-down list according to your need.

You can also unfold the output preset and adjust the output to 200%, 400%, SD, HD, 4K UHD, 4K, and 8K. Moreover, you are allowed to set the output video format according to your need. It supports exporting video to MP4 (H.264), MP4 (H.265), MKV (H.264), MKV (H.265), AVI (UnCompressed), MOV (ProRes 422HQ) format.

Step 4
Configure the Performance Settings

Click on the menu button button and select the Settings option, a settings dialogue pops up where you can change the Performance Settings.

On the Performance Settings, you can choose the AI Processor to determine what hardware (GPU or CPU) will be used by the application when processing, and Max memory consumption to Lowest, Low, Medium, High, and Highest. Highest is recommended if you close any other programs on your computer.

adjust the performance settings
Step 5
Trim the Output Video

If you just wanna add blur to a clip of a blurry video, you can trim the unwanted parts frame by frame to save processing time. At the bottom of the program, you can trim your video to the desired length by dragging the slider bar. Or input the start and end of the frames to set a clipping point accurately.

trim the video

Warm tips: The program provides a preview of 30 seconds. It would be quite helpful for users to preview the result in current settings. Move the cursor over the video and there will be a play button like the below illustration.
Click it to get the preview. During the preview, the left window keeps the original one while the right half shows the face-blurred result.

30s preview bluring face
Step 6
Start Adding Blur to Moving Faces in A Video Automatically

Once all the preparation work is complete, simply click on the Start Processing button to start blurring faces in a video automatically. The final processing time depends on your computer’s system configuration, video size. Please be patient.

Warm tips: You are able to hit the Pause button to pause the blurring process if the computer needs to be occupied for other tasks, and you can resume it when the computer is available.

blur faces in video

After the face blurring process finished, you can click on the Open Output Video button to check the output video with faces blurred.


Now you know what is AI face blur, why you should use AI for automatic face blurring, and how to apply it in your videos using AVCLabs Video Enhancer AI. AVCLabs Video Enhancer AI provides a trial version to its users to test the full features. Just get it for free to enjoy the amazing face blurring app - AVCLabs Video Enhancer AI.

Try AVCLabs Video Enhancer AI to breathe new life into your footage!