Posterize

Open in Editor

Reduce the number of color levels in your image for a poster-like effect. Fewer levels create a more dramatic look.

How to use Posterize

  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 Posterize

Reduce the number of color levels in your image for a poster-like effect. Fewer levels create a more dramatic 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.