So, how small can a QR code be? Whether you are transacting cashless or trying to open a restaurant’s menu, QR codes are everywhere. This technology got a boost during the pandemic period. Its ability to help with tasks without any physical touch is appreciable. A smartphone camera to scan the code is all you…

So, who invented QR code? Barcode readers were a lifesaver back in the 80s when they used automated processing of the price of any item to display it on the cash register. They saved much time and physical labor, leading to their popularity. However, they had their share of limitations that made the developers of…

Whether or not QR codes expire is an open question. For example, if you use an online QR code generator, you can create free or static QR codes that will not expire. For as long as you live, you can create as many static QR codes as you want with this free online tool. However, you…