QR Code: How to Share Text Information Inside Images?
What are QR codes?
QR code is an interesting way to store and exchange text information inside images.
How do I change a text to a QR image?
These black and white images do not make any sense to the human eye, but the information inside the image can be removed immediately using the free decoder on desktop or mobile phone.
Can you decode the QR code on the desktop? Is it available for the iPhone?
The given QR coded image stores the login details of an imaginary bank account. This image can be easily removed by passing this image through a QR code decoder app.
Benefits of QR Codes
Unlike most popular bar codes, a QR code stores data in both vertical and horizontal directions and therefore there is more storage capacity per unit area.
Denso Wave, the company that introduced the QR code to the world, says that the QR codes are readable from any direction and the data stored inside the QR code can be restored, even if the related image is partially damaged.
How do people use QR codes?
Some companies put their web address in print ads as QR codes – people then click on that page with their cell phone cameras and then go directly to the advertiser’s website without typing anything because Mobile software will decode image.
How to create QR Code?
If you prefer to create your own QR code, go to a web-based QR code image generator. Now to decode these QR images, download a small Java app for desktop or if you have a Java enabled mobile phone like Nokia, Sony Ericsson, etc., then get this reader.
In Google, the Chart API also supports the QR code so that you can convert any piece of text or hyperlink into a QR image by simply writing simple URL.