Change Brightness

Open in Editor

Adjust the brightness of your image. Make it lighter or darker.

How to use Change Brightness

  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 Brightness

Adjust the brightness of your image. Make it lighter or darker. 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.