RUMORED BUZZ ON FREE QR CODES THAT DON T EXPIRE

there are plenty of reasons why a QR code will not be working properly. initially Look at your entered data. Sometimes you will find small typos in your URL that break your QR code. Some QR codes (like vCard) comprise loads of data. Try cutting down the data you entered for your QR code when feasible. This can make it easier for QR code scanner app