Box Blur

Open in Editor

Apply directional or uniform box blur smoothing to an image along horizontal, vertical, or both axes.

How to use Box Blur

  1. Upload your image using drag & drop or click to browse.
  2. Adjust the settings using the controls above.
  3. See the result instantly — processing happens in your browser.
  4. Download your processed image as a PNG file.

About Box Blur

Apply directional or uniform box blur smoothing to an image along horizontal, vertical, or both axes. This tool is part of ImageToolbox's collection of free online image tools. It runs entirely in your browser — your images are never uploaded to our servers.