pdf-invert
Inverts the colors of a pdf file.
Install Instructions
Place 'pdf-invert' script in /usr/local/bin
.
Note: You must have the magick
executable in your system. In case you don't have it, download it from here https://imagemagick.org/script/download.php
and place it in /usr/local/bin
.
Usage
pdf-invert sample.pdf