pnmquantall

Quantize multiple images to shared palette

Quantize multiple images to same palette

$ pnmquantall [256] [image1.pnm] [image2.pnm] ...

pnmquantall ncolors files...

pnmquantall reduces multiple PNM images to use a common color palette. Useful for creating consistent color animations. Part of Netpbm toolkit.

ncolors

Maximum number of colors.

files

Input image files (modified in place).

sudo apt install netpbm

sudo dnf install netpbm

sudo pacman -S netpbm

sudo apk add netpbm-extras

sudo zypper install netpbm

brew install netpbm

nix profile install nixpkgs#netpbm

Modifies files in place.