What is QR codes?

QR Code (stands for Quick Response Code, also known as matrix barcodes (matrix-barcode) is a form of two-dimensional barcodes (2D) can be read by a code reader bar or smartphone with shooting function (camera) with specific application to scan barcodes.



QR Code created by Denso Wave (a subsidiary of Toyota) in 1994, including shaped black spots and squares within squares pattern on a white background. QR Code can be read faster, saving time and space than traditional barcodes.

Advantage:
The principal advantage of a QR code is its flexibility. QR codes can be used for everything. They bring benefit for both customer and business. For example, a business saves money and advertising costs by distributing a QR code to their website or URL. A customer can scan this QR code and this allows them to store the information for future reference. QR codes act as the link and it also exposes customers to other forms of advertising the business or service of the QR code has done. This maximizes exposure and can potentially generate revenue.
Easy to use:
QR code is supported by a lot of software and API. You can create QR codes on the website or  Goqr.me give you an API to do with QR code easily and quickly:
http://api.qrserver.com/v1/create-qr-code/?data=[URL-encoded-text]&size=[pixels]x[pixels]

[URL-encoded-text]: It can be everything
size=[pixels]x[pixels]: Specify image size of QR codes

Example: 
http://api.qrserver.com/v1/create-qr-code/?data=https://scutiasia.blogspot.com/&size=400x400

It's easy to make a QR code by yourself .

You can find details in this site:
http://goqr.me/api/doc/create-qr-code/

In order to read this QR code, you can use smartphone to check this QR code that you created.


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