Image & Design Tools

Blur Background

Approximate background blur: blur the image, then restore a manually selected rectangular subject region. This is not AI subject segmentation.

Work with your file

Your file is processed in this browser when the format and operation are supported.

Files remain on your device for browser-local processing. Some formats may not open in every browser.
Higher quality usually means a larger file.
Manual region (% of image)

Approximation: the image is blurred, then this rectangular subject area is restored sharply.

How to use this tool

  1. Enter the details requested in the form.
  2. Run the tool and review the result.
  3. Copy or download the output when available.
  4. Check numbers, links, and content before publishing or sharing.

What this tool does—and doesn’t do

Clear limits by design. Approximate background blur: blur the image, then restore a manually selected rectangular subject region. This is not AI subject segmentation. Image and video files are processed locally when this browser supports the operation. Results and supported formats may vary by browser and file type.

Frequently asked questions

Does this use an external API?

No. This package does not call a third-party API for this feature. Supported operations run in your browser. Advanced features that require a missing local model are clearly identified.

Are the results guaranteed?

No. Estimates depend on your inputs and assumptions. Review all output before using it for a real campaign, official application, or publication.

Are my inputs uploaded?

Text input for these client-side tools is not sent to the website server for processing. Image and video processing happens on your device in this browser when supported.