Change Contrast

Open in Editor

Adjust the contrast of your image. Increase or decrease the difference between light and dark areas.

How to use Change Contrast

  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 Change Contrast

Adjust the contrast of your image. Increase or decrease the difference between light and dark areas. 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.