This plugin enables you to integrate a QR Codes generator into your WordPress using a single shortcode. It features a user friendly interface where your users can generate their own QR Codes (links, phone numbers, email messages, vCards, geo locations…) and do some customization (size, correction).
You can also use the widget to display the QR Code of the current page. Your users can just scan it to get your page URL.
QR codes generator
Current page QR code (displayed through a shortcode)