Levels Adjustment

Open in Editor

Adjust black point, white point, midtone gamma, and output intensity range per channel or globally.

How to use Levels Adjustment

  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 Levels Adjustment

Adjust black point, white point, midtone gamma, and output intensity range per channel or globally. 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.