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GitHubDocsAbout

Browser video tool

Blur Video Background

Local processingMediaPipeNo upload

Blur the background around people in your videos for free. Adjust the blur, preview the result, and download an MP4 without uploading.

Source video
Drop a file here, or click to choose
0:00.0 / 0:00.0
Waiting
Choose a video, then ArtPlayer will look for the person in the preview frame.
18px
Artplayer AI

Need a vertical version of your video?

Let AI follow the main subject and reframe landscape footage to 9:16.

Reframe video with AI

How it works

Three steps to finish the browser workflow.

  1. 1

    Choose a video file

    Blur the background around people in your videos for free. Adjust the blur, preview the result, and download an MP4 without uploading.

  2. 2

    Person segmentation

    Choose a video, then ArtPlayer will look for the person in the preview frame.

  3. 3

    Blur background

    Choose a video, set the blur strength, then ArtPlayer segments the person with MediaPipe and renders the blurred background locally.

Everything you need

Core details about privacy, browser support, output, and practical limits before you start.

Person segmentation

MediaPipe separates the visible person from the scene so the subject stays clear.

Background blur

The background is blurred frame by frame while the person is composited back in sharp detail.

Local workflow

The video is processed in your browser with MediaPipe, Mediabunny, WebCodecs, and canvas rendering.

Input, output and limits

Check supported inputs, output formats and usage requirements before you start.

Supported inputVideo files such as MP4, MOV and WebM. Container and codec support depends on the browser and processing runtime.
Output resultExport options: MP4.
Processing and privacyProcessing runs on this device. Source media is not uploaded for this workflow.
Browser requirementsA browser with the decoding and encoding capabilities needed by the selected media. Available codecs vary by device.
Usage limitsProcessing capacity depends on duration, dimensions, codecs, settings and available device memory. Large inputs can fail; keep the original file.
When can background blur look imperfect?Fast movement, low light, cluttered scenes, or unusual subject edges can make segmentation less precise.

Frequently asked questions

Find quick answers about privacy, browser support, exports, and what to try when a file is heavy.

Are files uploaded for this tool?

This browser tool processes the selected media locally on this device. The file is not uploaded to ArtPlayer servers for this workflow.

Will the export have a watermark?

No. ArtPlayer browser tools do not add watermarks to exported files.

Why can processing take time?

The work runs in your browser, so speed depends on your device, browser, memory, source size, and the export settings needed for the result.

Which browsers work best?

Recent Chrome, Edge, and other modern Chromium browsers usually work best for heavier browser media processing.

What should I try if a large file fails?

Try a smaller source, close other heavy tabs, reduce resolution or duration first, and keep the tab open until the export finishes.

How does automatic background blur work?

The page uses MediaPipe person segmentation to make a person mask, blurs the full frame, then composites the sharp person back into the exported MP4.

Does the video upload anywhere?

No. The selected video, segmentation, rendering, and MP4 export run locally in your browser.

Can I blur only the background?

Yes. The tool is designed to separate the subject from the background and apply blur around the subject.

When can background blur look imperfect?

Fast movement, low light, cluttered scenes, or unusual subject edges can make segmentation less precise.

Related tools

Continue editing with nearby ArtPlayer tools that work with the same local, browser-first workflow.

Blur Video
Blur Video
Blur a specific part of a video, then export a local MP4 for privacy.
Blur Face
Blur Face
Automatically detect faces, blur them locally, and export a privacy-ready MP4.
Green Screen
Green Screen
Remove green or blue screen backgrounds, replace them with a color or image, and export MP4 locally.
View all tools
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