QR (or Quick Response) Codes were initially used in vehicle manufacture, but nowadays you can see them everywhere - billboards, in-store, magazines, business cards and newspapers to name just a few places where you will find them.

Most smartphones can read QR codes, either as a built-in feature or via an application which can downloaded and installed.

QR Codes are used to encode web addresses, email addresses, SMS messages,  contact details and many other types of information. QR Codes can instruct the device to take specific actions such as displaying a web page. This method of "hardlinking" objects to web resources has become very popular in the field of marketing.

The symbol is composed of modules (squares) which can be either dark or light (usually black and white). The smallest size for a standard QR code is 21 modules x 21 modules. This is known as “Version 1”. A number of sizes are allowed up to Version 40 which is 177 x 177 modules.

QR Codes have built-in error correction. This means that the data can be rebuilt if part of it is damaged. There are four levels of error correction available (Low, Medium, Quality and High). The higher the level, the more space is required to hold the error correction codewords.

QR Codes can encode large amounts of data, but they also have a large character set available. Our software supports the following characters: