QR code is a two-dimensional barcode that can be used to store information about the item to which it is attached. It is a form of a tag that can be scanned by a device to retrieve the information. This tag is a compact representation of the information, so it can be easily scanned and stored. QR codes are used in many fields, from retail to electronic commerce.

The QR code generator app is a great tool to generate QR codes, even if you don't have an internet connection. You don't need to download anything and you don't need to be connected to the internet to use this tool. This is a free, offline, and easy-to-use app.