While QR code layouts are controlled by the ISO standard and others, the underlying data is not. Some have found this openness concerning and are looking for ways to apply existing payment standards, ...

The most successful QR implementations deliver content that matches the customer's immediate context. A restaurant table QR code should show the menu, not the catering options.

Creating a QR code is a relatively straightforward process, and it can be done on a computer as well as your Android or iOS device. Here's how it's done.

Scanning is simple: hold your QR code in front of your webcam and click the QR code button. Apple’s macOS does not have a built-in camera application capable of scanning QR codes.

If a code appears someplace unexpected, inspect it first. If it contains a URL with misspellings, the code could be a sign of fraud. Beware QR codes received unexpectedly.

QR codes are those square barcode-looking things that when scanned by your iPhone 16 Pro, Galaxy S25 Ultra or any other phone, can send you straight to a particular webpage or to download an app ...

Rather than have a guest select your Wi-Fi network and then enter a fiddly password, just make them a QR code their iPhone can read. Here's how to do it.