Overview of QR Codes


QR-Codes are two-dimensional barcode (datamatrix) that is designed to have its contents decoded at a high speed.

Quick Background

QR codes mainly came to the scene when they were used to track part by manufactures of vehicles, companies saw this opportunity and understood how this technology could be used elsewhere. Now the biggest use of QR-codes is within the mobile industry. Compared to a standard bar code which can store approx. 20 digits, QR-Codes can handle much more information aprox 7,089 characters can be encoded in one symbol, plus it can handle all type of data such as number, letters, and characters.

How QR Codes work.

Using a smart phone, take a picture of a QR code, the decoding software will decode the QR Code and carry out a set of actions depending on what has been coded in the QR code for example:

  • Open up a webpage
  • Dial a number
  • Download a document

Some smart phones may need to download the decoding application, such as Kaywa.

Comparison between Bar Code and QR Code

  • Data Size: QR Code can handle hundred times more data than a standard bar code.
  • Size: QR code can code the same if not more data and display it in less size compared to a bar code.
  • Data Type: QR Code can handle all sorts of data from, numbers, letters, characters and even Kanji and Kana capability.
  • Damage proof: If the QR code is damaged or dirty, it can restore approx. 30% of the code back.
  • Directions: You can scan the QR code from any direction.

How to Create a QR Code

QR CodeYou can easily create a QR codes by using the below websites, or if you prefer you can use open source code to develop one.

Where could you potentially use QR-Codes

You could use QR Codes in any form of printing marketing you do. It takes a few minutes to generate a code, and you can implement it into your marketing. Some examples of where you could use them:

  • Websites
  • Flyers
  • Magazines
  • Business Cards
  • T-Shirts
  • Discount vouchers

Some examples of what you could do with your QR Code

  • Open up a link
  • Save a name card
  • Download Files
  • Send a text message
  • Make a phone call
  • Bookmark a website
  • Send an Email
  • Save an event in calendar
  • Launch a map
  • Tweet on twitter

Useful links:

Wikipedia Image by Flickr

Article By: Wasim Ismail

Wasim’s a project manager at Alrayes Web Solutions along with an online SEO consultant & blogger for business at wasimismail.com, specialising in online business.

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