# pngquant-bin [![Build Status](https://travis-ci.org/imagemin/pngquant-bin.svg?branch=master)](https://travis-ci.org/imagemin/pngquant-bin) > pngquant is a command-line utility for converting 24/32-bit PNG images to paletted (8-bit) PNGs. The conversion reduces file sizes significantly (often as much as 70%) and preserves full alpha transparency. ## Install ``` $ npm install --save pngquant-bin ``` ## Usage ```js const execFile = require('child_process').execFile; const pngquant = require('pngquant-bin'); execFile(pngquant, ['-o', 'output.png', 'input.png'], err => { console.log('Image minified!'); }); ``` ## CLI ``` $ npm install --global pngquant-bin ``` ``` $ pngquant --help ``` ## License MIT © [imagemin](https://github.com/imagemin)