QR Code Elite
It's totally independent, it generates code locally.
With QRCode Elite :
You can select alignment or enter custom CSS.
You can add a text and its CSS before and/or after QRCode image.
You can select the backcolor and forecolor for your QRCode image.
You can select ECC levels, size and margin.
This module offers a variety of data type :
Current Page URL
Current Website URL
Vcard (Contact Details)
QR code (abbreviated from Quick Response Code).
Originally designed for industrial uses, QR codes have become common in consumer advertising. Typically, a smartphone is used as a QR-code scanner, displaying the code and converting it to some useful form (such as a standard URL for a website, thereby obviating the need for a user to type it manually into a web browser).
Requested Features by users Added to QRCode Elite extension:
1 - Add margin select. (v3.1.0).
2 - Select Backcolor and Forecolor instead of white and black (v3.1.0).
3 - Can disable on mobile (v4.2.0).