Can I blur only part of an image?

Selective region blur is available in our crop + blur workflow. Select a region with the crop tool, then apply blur.

What is Gaussian blur used for?

Gaussian blur creates a smooth, natural soft-focus effect ideal for background blurring, depth-of-field simulation and general artistic softening.

Edit & Annotate

Blur Background Online

Name: Blur Image - ElitePX
Rating: 4.9 (1243 reviews)
Author: ElitePX

Blur the background of photos online. Free and instant.

Apply Gaussian blur to images for privacy or artistic effects. All processing happens locally in your browser. No image is ever uploaded to a server, making blur background online on ElitePX completely private and instant.

Blur Image

Engine

Drop image here or click to browse

Or paste an image from clipboard

PNGJPGWEBPAVIF

Max size: 50 MB

This is a free online tool. No account required.

Your images are processed entirely in your browser
Files are never uploaded to any server
No signup, no watermarks, no limits.
Works on any modern browser, desktop or mobile.

Also available at the main tool page: ElitePX: Blur Image

Why Use This Tool?

Privacy Protection

Blur out faces, license plates, addresses, or any sensitive information.

Depth of Field Effects

Simulate camera bokeh by blurring backgrounds for a professional look.

Multiple Blur Algorithms

Gaussian, Box and Motion blur algorithms for different creative needs.

Real-Time Preview

See blur applied live on the canvas as you adjust settings.

Also Try

Browse all tools

Sharpen Image

Enhance image sharpness and recover detail from blurry photos.

Enhance & Filter

Pixelate Image

Apply pixel mosaic effect to images or blur faces.

Edit & Annotate

Add Watermark

Add text or image watermarks to protect your photos.

Edit & Annotate

Blur Background Online is powered by Blur Image on ElitePX. The canonical version of this tool is available at elitepx.com/tools/blur-image. All image processing happens in your browser. Your files never leave your device.