QR Codes explained

A QR (Quick Response) code is a two-dimensional code (also known as a matrix bar code). It is much like the bar codes utilised by retail stores, with the key distinction being the volume of data which they can hold. QR codes could be scanned by nearly all smartphone cameras. Then it transfers data to the smartphone. This data could for example, send a person to an URL, save a vCard to your mobile phone, receive text, make a telephone call, and so forth.

Encoded info

This encoded information can comprise many kinds of info, i.e. Kanji (or Kana) (maximum of 1817 characters), binary (maximum 2953 bytes), numeric (maximum 7089 characters) and alphanumerical (maximum 4296 characters) symbols.

What does it look like?

The code looks like a number of small black squares along with three bigger squares on a whiteQR Code(77282) background. (Observe the subsequent QR Code.) The three bigger squares are just there to show which way the barcode is aligned - the barcode could be scanned in any direction but the QR scanner software will be able to properly understand the info. The barcode is normally shown with two larger sized squares at the top, and a single bigger square at the lowermost left side.

Where did it originate from?

QR barcodes were originally made for the motor vehicle sector – initially designed by Toyota subsidiary, Denso Wave, in 1994 to observe motor-vehicles throughout the manufacturing process. Then it grew to be popular, outside of the automotive field in Japan, due to the reason that the QR code can include loads of info and can be decoded at a very high speed. The QR code then grew to be popular in the United Kingdom, and thereafter the popularity spread the world over.


It is nonetheless, still debatable about whether QR barcodes is likely to grow in global popularity or not, however as the majority of smartphones now come out with QR code-reading programs, it's very likely to become (and stay) a lot more popular as time passes.

Based on a study, as of June 2011, 14,000,000 people had scanned a QR code on their smartphone. Some smartphones that possesses this capability (either with a preloaded app, or with a downloaded application): Blackberry, Nokia, Android and Nintendo 3DS.

QR Codes used in marketing campaigns

Plenty of people have started making use of QR codes for advertising campaigns. It’s a terrific way to merge offline advertising with online advertising campaigns. These days, QR codes are displayed on pamphlets, billboards, enterprise cards and even shorts!

I want one!

There are several of internet sites that a person can make use of to generate QR codes... By searching the term "QR Code Generator" on Google, you get a huge number of results! Actuality, Google themselves have a QR Code Generator tool - however this tool is limited to URL encoding only.

Just remember that QR barcodes can be generated for free as there are folks that would try to charge you a fee just for this "service"!