What is a QR Code?
A QR Code is a 2 dimensional image (see example below) that contains data.
You’ve probably seen them “in the wild” – they’re showing up in North America more and more often in ads, on products, even tee-shirts.
What can I do with QR Codes?
This is where it gets fun. Since a QR code contains data, you can create images that when scanned with a phone or other device (we’ll get to that in the next section) – that data can be used by your device. For example, if you scan the QR code above, it will prompt you to visit http://www.simplehelp.net on your devices Web Browser. See the more detailed section below on the other things you can do with QR Codes.
How to I scan a QR Code?
If you have a mobile phone, you can probably scan QR codes. Here’s a list of tutorials for scanning QR codes using free software on various smartphones:
How to Create Your Own QR Code
The easiest way is to use an online QR Code Generator. There are lots of them – a few of my favorites are:
- kaywa – for very simple QR Codes
- QR Stuff – for much more advanced QR Codes
- QR Code Generator – a Google Chrome Plugin that allows to to generate QR codes of web page content
The Longer List of Cool Stuff You Can Do With QR Codes
If you visited a few of the sites listed above (particularly QR Stuff), you’ll have already seen that you can do very cool things with QR codes. If you have a web site, you can integrate it with QR Codes in some very neat ways. You can create cool landing pages for your website (scan the QR Code below for mine!), automatically add QR Codes to printed versions of your site and even add ‘auto-generated’ QR codes for people to bookmark your site – as seen in the sidebar of every page here :)
Read more at http://www.simplehelp.net/2012/10/29/qr-codes-explained-and-how-to-use-them/#6xb2fzREyLQ7ZAYy.99
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Md. Mominul Islam