Posterize image

Reduce an image to N levels per channel — a stepped, graphic-novel look from 2 to 16 levels.

The image stays in this browser. Nothing is uploaded or stored.

PNG, JPG, or WebP up to 25 MiB. Quantizes each RGB channel to the chosen number of levels; alpha is preserved.

How to use

  1. Choose an image.
  2. Pick levels per channel.
  3. Download the posterized result.

What it supports

Static images ≤ 25 MiB / 40 MP; 2–16 levels quantize each RGB channel uniformly. Alpha is preserved; same format out as in.

Related tools

Related guides