Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

The Quick Response code (or QR code) was introduced in 1994, but it never really took off in the US until decades later when the pandemic created a need for a quick, easy, and (most importantly) touch ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

Scanning QR codes with smartphones is easy. However, sometimes you don’t want to use your smartphone and wish to scan the QR code natively on your computer. The good news is it’s possible to scan QR ...

I don’t scan QR codes, and neither should you, especially if you care about cybersecurity. A QR code is a two-dimensional barcode that is readable by a smartphone with a camera or a mobile device with ...

Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...

The QR code is having an extended moment, given that we’re all still wary of dealing with physical documents, touching surfaces, and generally interacting with the world at large. The switch to ...

There are multiple ways to scan a QR code with your Samsung phone, whether you use a budget device or one of the top foldable Android phones. However, some methods can be unreliable, causing you to ...

QR codes have become a convenience of modern life. Just scan the black and white mosaic with your phone’s camera and you can do everything from connect to your hotel room Wi-Fi to pay for that public ...

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Your Android or iPhone can probably already scan QR codes. Here's how to do it no matter what phone you have. When he's not testing the latest phones or phone cameras, Andrew can normally be found ...