QR Codes

2 articles

Tech 07 Sep 2026 9 min read

How QR Codes Store Information and Still Scan When Damaged

QR codes appear on tickets, menus, product labels, signs, and screens. Point a phone camera at one and the device may offer to open a website, join a service, show text, or pass information to an app. It is easy to think of the pattern as a picture that points to something online. A QR code is more direct than that: the grid itself stores data. A web address can be encoded in the squares, for example, and the scanner reads that address from the image.

QR Codes Smartphones

Tech 03 Sep 2026 7 min read

How QR Codes Store Information and Why They Still Scan When Damaged

QR codes appear on tickets, menus, product packaging, payment screens, Wi-Fi setup cards, and many other everyday objects. A phone can often point its camera at one and recover the information in a fraction of a second. Although a QR code looks like a random grid of black and white squares, its layout is highly structured. Some areas help a scanner locate and orient the symbol, while other areas contain encoded data and information that helps recover from errors.

QR Codes Smartphones