Gradient Map

Open in Editor

Map image luminance values (shadows to highlights) to a custom color gradient.

How to use Gradient Map

  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 Gradient Map

Map image luminance values (shadows to highlights) to a custom color gradient. 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.