What does QR Code Stand For?
The "QR" in QR Code stands for "Quick Response" barcode, named for how quickly and easily the data from a QR code is decoded and presented.

What is a QR Code?
A QR code is a two dimensional barcode which when scanned with a QR code reader mobile phone application decodes data and shows it to the user. QR codes can store plain text, launch links in web browser, store events and contact information, display geographical locations, send a text message and make phone calls.

Are All Those Square Barcodes QR Code?
Not quite. QR codes are by far the most common, but most 2D barcodes are square in shape and look very similar. QR codes can be identified by the three black squares in the three corners. Other barcodes you may see would be Aztec codes, EZCodes, Microsoft Tags or JagTags, all which have their similarities and differences.

Are QR Codes Safe?
It's important to know that anybody can create a QR code. Likewise, any website that can open in a mobile browser can be launched through a QR code. A user should take caution when browsing links from QR codes just as they would when browsing links on a computer. If a QR code or link looks suspicious, it's best not to take the chance.

Are There Different Types of QR Codes?
There are different version of QR codes, each with different storage capacities. Most QR code generators will create the version most relevant to what you type in. If you type in a lot of text, a larger version of QR code (which allows for more characters) will be created.

How do People Put Pictures and Logos on QR Codes?
QR codes allow for a certain amount of error correction, meaning the barcode itself can be altered slightly and the data will still be read without a problem. This means that the colors can be changed and images or logos can put inserted into them without interfering with the data inside. The amount of error correction varies, but many QR code generators let you choose how much error correction it has. Some generators even let you specify an image or colors when your code is generated.

How do I Scan a QR Code?
If you have a smart phone with a camera, you can scan a QR code. Simply navigate to the download center or marketplace for applications for your mobile phone and find a free QR code reader (also sometimes called QR code scanner). You're likely to find hundreds if not thousands of options, many for free. After downloading the app, launch it on your phone, hit "Scan" and hold it up to your QR code! It's as simple as that.

Can I Make My Own QR Codes?
Absolutely! QR generators are plentiful, and often free. A simple search on the internet for "QR code generator" or "QR code creator" yields a lot of results. They all perform the same basic function, but some have extra features like choosing colors, adding different types of data or tracking. They're free, so try them all out if you like!

How do I Make a QR Code for Print?
QR codes are very common on print media. Creating them is the same process as creating any QR code, however there may be some extra features you want to invest in. Some QR code generators will provide you with a high-resolution, 300 dpi version of your QR code which is great for print media, especially when being added to large surfaces. In contrast, for very tiny surfaces, micro QR codes can be generated that hold less data but take up less space.

Are QR Codes Copyright Protected?
A Japanese company called Denso Wave holds the patent to QR Codes but has openly decide not to exercise it. In fact, they've devoted a lot of time to educating others about QR codes and encouraging their widespread use.

How Much Data Can a QR Code Store?
The largest version of a QR code can store a maximum of 7,089 numeric characters or a maximum or 4,296 alphanumeric characters.

Can You Track QR Codes?
Yes, QR codes can be tracked. Some generators include tracking capabilities when the barcodes are generated. If not, using url shorteners with tracking capabilities or analytics software (such as Google Analytics) on the website you're linking to in your QR code will provide you with all the statistics you need.