FileUpload - Manipulate image before saving.

I am using Intervention library to mainuplate images like resizing, encoding to png, how can I use this with FileUpload?

Image::make($img)->encode('png')->resize(16, 16)->save($path);

Image::make($img)->encode('png')->resize(16, 16)->save($path);

FileUpload::make('img')

FileUpload::make('img')