QR Code Generator Add-on 1.17+

QR Codes in Minecraft. It is difficult to imagine such a thing, but the developers have managed to pull it off. With QR Code Generator mod you will be able to display QR codes in a chat or as a structure. It is possible to apply it on servers for instant players' transitions or to store the information in their worlds. The addition will work on any platform.

How does it work?
Type the command .qrcode and you will get a description of the build. Note that the build is designed for more powerful devices, so weak smartphones may work with large downloads.

Display QR code in chat