You may noticed that now most of the products comes with a small black square printed on it. These are QR codes. QR Code is the abbreviated from Quick Response Code, which is the trademark for a type of matrix barcode (or two-dimensional code) first designed for the automotive industry. When you analysis the code you can see that the code consists of black modules (square dots) arranged in a square pattern on a white background. Now what kind of information can be stored on this type of small codes and what is it’s use?
The information encoded can be made up of four standardized kinds ("modes") of data (numeric, alphanumeric, byte/binary), or through supported extensions, virtually any kind of data. QR codes are Invented in Japan by the Toyota subsidiary Denso Wave in 1994 to track vehicles during the manufacturing process. It was designed to allow its contents to be decoded at high speed.
QR codes can be created very quickly for free in Coolefriend and can be saved on your computer as PDF files or JPEG/PNG image files. You can generate a QR code for showing a website address, or to point to a Google Maps location, linking to your social profile pages in Facebook/Twitter/LinkedIn or to directly link to a long URL od a webpage. Creating QRcode is so easy in Coolefriend’s QR code generator. Type the information you want to encode (say, a website address) in the corresponding box and it will generate a QR code for free. You can choose size (150×150 to 300×300), encoding (UTF-8, Shift_JIS, ISO-8859-1), and can choose error correction (L,M,Q,H), in the content box enter the content to encode in QR code and click the generate button. A beautiful QR code with information is displayed on the right side. Right click on the QR code and ‘save image as’ option is displayed. You can save it as a ‘png’ file and can share it with anybody.
Some QRcode generators make some variety of QR codes than the ordinary one by using some options to add the foreground/background colour and add a photograph or logo into the code.
Now, how to read the QR codes? To read QR codes, you need a QR code scanner app. Google, Goggles and NeoReader are free apps available on Android, Windows Phone and iOS devices. Kaywa reader has also app for Android and IOs devices. If you are using a BlackBerry device then you can use QR Code Scanner Pro. To read the QR code using your mobile device, first you need to launch the app, the point the phone’s camera towards the QRcode and it will automatically show you the contents. If your phone has an active internet connection, it will display the pages or content associated with the QR code.
If you are not satisfied with our QR code generator, you can use a simple search in any of the search engines, which will you enough list of QR code generators. Bear in mind that all of them work similarly and may use the Google’s open source QR code generator (we are also using the same) to generate QR codes. You can use QR codes to share your product, website address, product links, etc. to the world.