A QR Code is a matrix code (or two-dimensional bar code) created by Japanese corporation Denso-Wave in 1994. The “QR” is derived from “Quick Response”, as the creator intended the code to allow its contents to be decoded at high speed. A QR code can be a URL, simple text, SMS message, Phone Number or a Business card. Many companies in Japan are using QR codes in there advertisements so that the people can easily access further information via there mobiles devices. The use of the QR Code is free of any license. The QR Code is clearly defined and published as ISO standard. QR Code can handle alphanumeric character, symbol, binary, and other kinds of codes. QR Code can hold up to 7,089 characters in a single symbol.
You can also create (Encode) your Links / text to a QR code. Here you can find the list of Online QR code creators.
Hope you saw this QR codes in many places especially in mobile application download links. But do you know how to use this. You can read (Decode) the information from a QR code by the help of your mobile camera and a QR code reading software. Some mobile phones are coming with a barcode reader application. But Some phones are not coming with barcode readers. There are many third-party software’s available for downloads. You can find the list of QR code readers or mobile devices here.
Install the application and Try to read above QR code