No setup, no API keys, no extra PHP modules for generating images works in posts, pages, sidebars, custom post types and theme PHP files the_qrcode() and get_qrcode() for PHP files support for: email, SMS, phone, links and of course plain text customizable size, quality and bg color super fast utilizing Google API
Demo https://codecanyon.net/item/5sec-qr-codes/154873
Downloadhttps://www.filecad.com/il59/5sec-QR-Codes-v1.2.rar