pnmquantall
Quantize multiple images to shared palette
TLDR
Quantize multiple images to same palette
$ pnmquantall [256] [image1.pnm] [image2.pnm] ...
SYNOPSIS
pnmquantall ncolors files...
DESCRIPTION
pnmquantall reduces multiple PNM images to use a common color palette. Useful for creating consistent color animations. Part of Netpbm toolkit.
PARAMETERS
ncolors
Maximum number of colors.files
Input image files (modified in place).
INSTALL
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
CAVEATS
Modifies files in place.
SEE ALSO
ppmquantall(1), pnmquant(1)