Yii2 Plupload extension, provides simple widgets.

Install package via composer : composer require indica/yii2-plupload:dev-master

Add this to your modules config :

	'plupload' => [
		'class' => 'indicalabs\plupload\Module',
	],

Then go to http://your-app/plupload

<?= \indicalabs\plupload\widgets\UIWidget::widget([
	'settings'=>[
		'url'=>['/controller/action'],
	],
]); ?>

To see the license to use actual plupload, see the below Released under GPLv2 License.