Image Posterize

Reduce the number of color levels per channel for a flat, posterized look.

Tool Media & Files Updated Apr 19, 2026
X Facebook LinkedIn Reddit Email
How to Use
  1. Drop image.
  2. Set levels per channel (2–16).
  3. Download.
Image
❖
Drop image
Preview

Notes

Formula
round(v·L/255)·255/L
Per channel
R, G, B independently
Total colors
L³
Banding
Intentional
Output
PNG
Privacy
Local

Frequently Asked Questions

2 levels?

Pure 2-color per channel — very stylized.

Common Use Cases

Poster art

Warhol-style.

Vector prep

Fewer colors = easier vectorize.

Last updated: