QR Code is a two-dimensional version of the barcode, typically made up of black and white pixel patterns. Denso Wave, a Japanese subsidiary of the Toyota supplier Denso, developed them for marking components in order to accelerate logistics processes for their automobile production. Now, it has found its way into mobile marketing with the widespread adoption of smartphones. "QR" stands for "Quick Response", which refers to the instant access to the information hidden in the Code.Tell me more, Canva’s Free Online QR Code Generator lets you create custom QR codes in a few clicks. Download or embed your QR code into any Canva design., QR Code Generator for URL, vCard, and more. Add logo, colors, frames, and download in high print quality. Get your free QR Codes now!.