Duotone

Open in Editor

Apply a two-color toning effect. Map shadows to one color and highlights to another for a stylish duotone look.

How to use Duotone

  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 Duotone

Apply a two-color toning effect. Map shadows to one color and highlights to another for a stylish duotone look. 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.