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QR Codes

How to use QR codes: barcodes you can scan with your phone to quickly link to websites or other information.

QR Codes

QR Code

What is a QR Code?

  • The crossword-like pattern on this page is an example of a type of matrix barcode or 2D code, called a ‘Quick Response Code' or 'QR Code’.
  • You can scan a QR Code using a mobile device with a camera, such as a mobile phone.
  • Scanning a QR code makes it easy to view or bookmark content on your phone without typing!

When you scan a QR code you may be prompted to:

  • Bookmark or visit a website, or
  • Make a call, send a text message or save contact details.

What you need

Two phones.

To scan a QR code you will need:


  1. A phone or other mobile device with a camera and Internet access.
  2. A QR code reader app installed on your device. Some phones come with one installed. To find one:
    • Search for 'QR code reader' in your phone's app store, or
    • Google the model of your phone along with the term: 'QR code reader'.

Image: Android vs iPhone taken on April 10, 2009 by Johan Larsson, Accessed on 05/01/2010, Licensed under Creative Commons

Using QR codes

Scanning a QR code

How to scan a QR code:

  1. Open the QR code reader app on your phone.
  2. Point your phone's camera at the code to scan it.

Tip: Take advantage of the free WiFi on campus for staff and students: UniWireless.

Image: 1, 2, 3. Code check. taken on October 22, 2008 by Filipe 'Shello' Rodrigues, Accessed on 05/01/2010, Licensed under Creative Commons