AnyTool
Your files never leave your device. All processing happens locally in your browser.

How do I blur a specific area of an image?

Blur Region lets you blur a specific area of an image by uploading an image; the tool blurs only the region you select, leaving the rest of the photo sharp. Preview the result and download it. Everything runs in your browser, so your photo is never uploaded.

  • The tool blurs only the region you select, leaving the rest of the photo sharp
  • Instant live preview
  • Download as JPG, PNG or WebP
  • 100% client-side

What is

Blur Region

A tool that blurs only the region you select, leaving the rest of the photo sharp in the browser.

Image Tools

Related terms

blur regionprivacy

Frequently Asked Questions

Yes, completely.

Blur Region is free with no signup, watermark or limits.

No unnecessary loss.

The effect is applied at full resolution and exported without extra recompression unless you choose a lossy format.

No.

The effect is applied locally with the Canvas API in your browser.

Detailed Explanation

How It Works

What Blur Region does

Blur Region blurs only the region you select, leaving the rest of the photo sharp.

  • Blur Region
Technical Details

How it works

The selected rectangle is blurred and composited back over the original on a canvas.

  • Canvas pixel processing
Use Cases

Use cases

Hide faces, license plates, addresses or other sensitive details before sharing.

  • Photo editing
Limitations

Limitations

The effect is applied uniformly in the browser; results depend on the source image and cannot recover detail that is not present.

  • Source-dependent
Privacy & Security

Privacy

The image is processed entirely in your browser with the Canvas API; nothing is uploaded to a server.

  • 100% local
  • No upload