What is a QR code for and how to generate a QR?
QR code (Quick Response Code) is a type of matrix code (barcode). It was developed by the Japanese corporation Denso-Wave in 1994 for coding web addresses, phone numbers, SMS, text, etc. If you are a happy owner of a mobile phone with a camera, install a special program for recognizing matrix codes on it and you will save a lot of time when entering, for example, website addresses in a mobile browser. Use the QR code generator QRS.su - it is absolutely free.