The tool allows you to either upload the image or uses the webcam (attached to your PC) to scan the QR code.It doesn't make any sense to pull out your smartphone or tablet to scan a QR code from your computer's screen and view it on the tiny device-especially when you have the big screen right in front of you.įor scanning a QR code from your PC, the process is simple.
However, you can also download the apps available online for that purpose.īut, when scanning the QR code from a PC, it feels a little bit odd. Most smartphones and tablets have built-in functionality to scan the QR code. Other actions might include storing the business card in your smartphone's business list, connecting to wireless, or perform any other action specified to that QR code. The QR code reader can act on scanning the QR code, like opening the website URL in your browser. When you scan a QR code, you get immediate access to its content. That means that you can point your camera to a QR code and be able to scan and read it. However, to scan the QR code from pc, you need a webcam. Most smartphones and tablets have built-in QR code scanners in their cameras. What is a QR scanner or QR code reader?Ī QR code scanner or QR code reader is an optical scanning device able to read QR codes. You can encode 4296 alphanumeric characters in a single bar code. However, after its invention, it got famous because of its ability to store many data. QR Codes may contain links (to websites, videos, or files), email addresses, text, phone numbers, vCards, and more.ĭenso Wave invented the QR code in 1994. The information is extracted from those fuzzy patterns. It has black squares and dots with various hazy patterns arranged in a squared grid on a white background. The QR code contains information accessible along two dimensions: horizontal and vertical. QR code means "Quick Response." It's a two-dimensional bar code readable by smartphones, tablets, and computers(having a webcam facility). It lets you interact with the world by using your smartphones, tablets, or computers.Įvery year, a large portion of the $5.5 trillion payments made via mobile went through a QR code on various apps in China. You can easily spot the QR codes around you. Today, QR codes can be seen in newspapers, magazines, flyers, posters, etc. About QR Scanner Tool - Scan QR code with webcam.