$ sudo npm install node-png
$ sudo npm install -g node-png

If want to update the node-png package execute the command as below,

$ sudo npm update node-png

Update package globally,

$ npm install -g node-png

Git clone:

$ sudo  git clone https://github.com/rektide/node-png.git

$ sudo  npm install -g ./node-png

node-png@0.4.3 /usr/lib/node_modules/node-png

How to remove node-png package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall node-png

Basic Information of node-png NPM Package: