A QR code is a two-dimensional barcode that can contain information, such as a link to a website, a phone number or a piece of text. QR codes are ubiquitous and can be found on advertisements, business cards, product packaging and more. In this article, we will discuss what a QR code is, where it comes from and how to scan it with an iPhone or Android phone.
The origin of QR codes
QR codes were invented in 1994 by Japanese manufacturer Denso Wave. The purpose was to store and share information quickly and easily. QR stands for Quick Response, indicating how quickly the code can be scanned and the information deciphered.
How do you scan a QR code?
Scanning a QR code is a simple process and can be done using your smartphone’s camera. Below we explain how it works for iPhone and Android phones:
iPhone
- Open the camera app on your iPhone
- Point the camera at the QR code
- Tap the notification that appears to open the link.
Android
- Open the camera app on your Android phone.
- Point the camera at the QR code
- Tap the notification that appears to open the link.
Safety of QR codes.
QR codes are relatively safe, but there are risks involved. For example, a QR code may contain a link to a malicious website or contain malware. We therefore recommend not scanning QR codes from unknown sources and using a security software that blocks suspicious links.
Common uses of QR codes.
QR codes are widely used in the retail and advertising world. They can be used to direct consumers to product information, coupons and even product videos. QR codes can also be used at events and trade shows, where they are used to help people register for events or get more information about booths.
Top 5 QR scanner apps.
If your phone’s camera cannot scan QR codes, there are numerous QR scanner apps available in the app stores. Here are the top 5 QR scanner apps you can use:
- QR Code Reader - available on iOS and Android
- Scan - available on iOS and Android
- NeoReader - available on iOS and Android
- QRbot - available on iOS and Android
- QR Scanner - available on iOS and Android
Conclusion: QR codes are a convenient way to quickly share and receive information. Scanning a QR code is easy and can be done using your smartphone’s camera. However, be careful about the security of the QR code and only use apps from trusted sources.