A two-dimensional version of the barcode, the best qr code generator typically consists of patterns of black and white pixels.They were developed by Denso Wave, a Japanese subsidiary of the Toyota supplier Denso, for the purpose of marking components in order to speed up the logistics processes necessary for the production of automobiles.With the widespread use of smartphones, it has now entered mobile marketing.The term "Quick Response" refers to the code's instantaneous access to the information.best qr code generator 2022