Blur Background Tool

Blur backgrounds in images instantly with this free online tool. Upload any photo and apply customizable blur effects.

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5,680+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

User Satisfaction

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About This Tool

This free blur background tool allows you to easily blur backgrounds in any image. Simply upload your photo, adjust the blur intensity using the slider, and see real-time preview. The tool uses client-side Canvas API processing for privacy - your images never leave your browser. Download the blurred image instantly in high quality. Perfect for portrait photos, product images, or any photos where you want to emphasize the subject by blurring the background.

Save your calculation history with a free account

How to Use

Click the upload area or drag & drop an image file (JPG, PNG, WebP supported)
Adjust the blur intensity using the slider (0-100% blur)
View the real-time preview of your blurred image
Click 'Apply Blur' to process the image
Download your blurred image or share it directly

Frequently Asked Questions

Find Quick Answers

What image formats are supported?

The tool supports JPG, PNG, and WebP image formats. Maximum file size is 10MB.

Does the tool store my images?

No, all processing happens in your browser using Canvas API. Your images are never uploaded to any server.

Can I adjust the blur intensity?

Yes, use the slider to control blur intensity from 0% (no blur) to 100% (maximum blur).

Is there a limit to how many images I can process?

No, you can process unlimited images completely free with no registration required.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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