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QR Codes Demystified: Home

Learn about QR codes and how they can be used.

What is a QR code?

QR is short for Quick Response. QR codes are two-dimensional barcodes that can be read by a dedicated QR barcode reader or any mobile device with a camera, such as a smartphone or tablet computer, and barcode scanning software.

QR codes can be used to share many types of information:

  • text
  • URLs
  • telephone numbers
  • SMS messages
  • email addresses
  • email messages
  • contact information (vCard)
  • calendars (vCalendar)
  • maps

Some interesting uses of QR codes:

QR Codes Everywhere, Even on Grave Markers

Microsoft Tags

Custom QR codes:


Subject Guide