Blur Image

Blur a whole image or a selected rectangle with adjustable strength, then save the result as PNG.

Free No sign-up Runs in your browser

1 Your input

Files stay on your device. You can also drag files into this workspace.

PNG, JPG or WebP, up to 25 MB and 16 million pixels. Blur is a visual effect; use opaque redaction for sensitive information.

2 Result

Your result will appear here

Everything is processed in your browser.

What is Blur Image?

Blur Image is a free online image tool from GigaTools. Blur a whole image or a selected rectangle with adjustable strength, then save the result as PNG. It runs entirely in your web browser, so nothing is uploaded and it works on any device without installing software.

Common uses

  • Soften a background image
  • Blur a screenshot rectangle
  • Create a blurred photo effect

How it works

How to use Blur Image

Choose a photo

Select a PNG, JPG or WebP file up to 25 MB and 16 million pixels.

Choose blur settings

Adjust the strength. For a rectangle, enter left, top, width and height as percentages of the image.

Apply and download

Click Convert, inspect the blur and save a PNG at the original dimensions.

FAQ

Good to know

How do I use Blur Image?

1. Choose a photo: Select a PNG, JPG or WebP file up to 25 MB and 16 million pixels. 2. Choose blur settings: Adjust the strength. For a rectangle, enter left, top, width and height as percentages of the image. 3. Apply and download: Click Convert, inspect the blur and save a PNG at the original dimensions.

Can I blur only part of an image?

Yes. Choose Selected rectangle and set its position and size. The rest of the image remains unchanged.

Is blur safe for confidential information?

No. Blur is a visual effect and may leave information recognizable. Use opaque redaction for sensitive information.

Is this tool free?

Yes. This tool is free to use and does not require an account.

Are my files uploaded?

No. Processing happens in your browser. Your input and output files stay on your device.