How to read QR codes manually - GIGAZINE By using this QR code mechanism, you can not only incorporate images into QR codes, but also create codes that do not look like QR codes at first glance.

In 2025, PDF QR codes are becoming a go-to solution for businesses seeking smarter, frictionless document delivery at scale.

Since QR codes look like noise to us, they're a great way to encode our tasks and the relevant details into a simple squared format.