pngout-bin

pngout optimizes the size of PNG files losslessly

You probably want imagemin-pngout instead.

use https://npm.taobao.org/mirrors/pngquant-bin/ as downlaod source

Install

$ npm install --save pngout-bin

Usage

const {execFile} = require('child_process');
const pngout = require('pngout-bin');

execFile(pngout, ['input.png', 'output.png', '-s0', '-k0', '-f0'], err => {
	console.log('Image minified!');
});

CLI

$ npm install --global pngout-bin

$ pngout --help

License

MIT © Imagemin