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+# imagemin-advpng [![Build Status](http://img.shields.io/travis/imagemin/imagemin-advpng.svg?style=flat)](https://travis-ci.org/imagemin/imagemin-advpng) [![Build status](https://ci.appveyor.com/api/projects/status/8vw4a6jtvhao3jev?svg=true)](https://ci.appveyor.com/project/ShinnosukeWatanabe/imagemin-advpng)
+
+> advpng imagemin plugin
+
+
+## Install
+
+```
+$ npm install imagemin-advpng
+```
+
+
+## Usage
+
+```js
+const imagemin = require('imagemin');
+const imageminAdvpng = require('imagemin-advpng');
+
+imagemin(['images/*.png'], 'build/images', {use: [imageminAdvpng()]}).then(() => {
+	console.log('Images optimized');
+});
+```
+
+
+## API
+
+### imageminAdvpng([options])(buffer)
+
+#### options
+
+Type: `Object`
+
+##### optimizationLevel
+
+Type: `number`<br>
+Default: `3`
+
+Select an optimization level between `0` and `4`.
+
+Levels:
+
+`0` Don't compress<br>
+`1` Compress fast (zlib)<br>
+`2` Compress normal (7z)<br>
+`3` Compress extra (7z)<br>
+`4` Compress extreme (zopfli)
+
+#### buffer
+
+Type: `Buffer`
+
+Buffer to optimize.
+
+
+## License
+
+MIT © [imagemin](https://github.com/imagemin)