QR Codes have been around for awhile however the use of qr codes outside of Japan has been minimal until recently.
You simply point your mobile camera at the qr code and receive a text message, website URL or image depending on what content the owner of the qr code used to make create the code.
Mobile Devices also offer free reader applications to decode qr codes.
What are QR Codes
QR codes where created in Japan back in 94 for use by Toyota to enable high speed reading of the code using part of a mobile device. QR is short for Quick Response and allows the camera in a mobile device to decode the contents of qr code at high speed.
Creating QR Codes using a WordPress Plugin
You can make QR Codes manually using php script, using a qr code generator or you can install a plugin like the Super Cool QR Code Plugin for WordPress. Once installed, the WordPress plugin will automatically create QR code which you can place anywhere on your site using a short code or anywhere in the widget.
To create qr code using a WordPress plugin, all you need to do is add the content you wish to be converted to qr code into the widgets content field and the plugin generates the code for you. This is one of the easiest way to create a qr code for your WordPress blog.
The Super Cool QR Code plugin uses the Google Chart API to generate on-the-fly QR codes for your blog.
Making QR codes Manually
You can also create your qr code manually using a qr code generator.
Most popular mobile devices offer a range of free QR code reader apps to make it easy to see qr codes on websites and the internet.
Test Your QR Code
You can decode qr codes to test them before you make your qr codes public on your website.
Firefox QR decoder Addon
Firefox also offer a free mobile barcoder which can be used as a qr decoder to read code on the internet.
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