5 Ways to Use a QR Code

Marko Cen
Updated: May 28, 2020
5 mins read
CC BY-ND 4.0

It has been 25 years since the first QR code was invented. More and more people have realized the convenience of QR code, especially the young people after the Millennium generation in Asia area, whose heavily dependence on mobile phone scanning QR code. A study shows that by 2025, more than 5.3 billion QR codes will be created and scanned.

Although QR code has become so popular, few people know what a QR code can really do. Perhaps the most common scenario is scanning a QR code to invoke the browser to open a web page. But in fact, the functions of a QR code is far more than that. You may not have thought about it, but these functions can greatly improve your work efficiency or communication skill. Let's take a look at the 5 most commonly used functions of QR code.

If you are interested in the functions mentioned in the article and want to try to generate a QR code by yourself, I recommend our QR code generator, which supports all the QR code functions mentioned in the article.

1 Make a Phone Call

At present, most mobile phones support scanning QR code to make phone calls. So if your number is kind of difficult to remember, it is a good idea to use your number to generate a QR code. In this way, other people can directly open their mobile phone camera and the camera will automatically identify your phone number and dial in without the trouble of manual input.

2 Add Contact Card

Now remember, how long does it take to add a person's information to your mobile phone address book? What If I tell you that you can simply add contacts by scanning QR code? In fact, as long as the content of a QR code conforms to a common contact data format, such as vCard, then when the QR code scanned by a mobile phone, the phone will automatically recognize the contact information and add it to the address book. Is it convenient? Next time don't forget to add your contact QR code to your business card!

3 Compose a SMS Message

QR codes can also be used to write SMS messages, the content of QR code needs to follow the following format

SMSTO:[Phone Number]:[Message Content]

For example, if you want to generate a QR code to send birthday message to your mom, then you can write the content of the QR Code as:

SMSTO:+11111111111:Happy Birthday! I Love You Mom! 🎂  <- Yes it supports emoji!

4 Make a FaceTime Call

This function is similar to making a phone call, but for iPhone users, they can scan a QR code to start a FaceTime video or audio call. If you want to generate a QR code to start a FaceTime video call, put the content as:

facetime:+11111111111
facetime:xxx@xxx.com
To make a FaceTime audio call by QR Code, put the content as:
facetime-audio:+11111111111
facetime-audio:xxx@xxx.com

5 Connect to WiFi

If you pay attention in some cafes or restaurants, you will see a QR code be placed with a notice that they provide free WiFi. If you scan that QR code, your phone will automatically connect to their WiFi. Yes, this is another easy-to-use function of QR Code: invite others to connect to the wireless network, The content format of this kind of QR code is as follows

WIFI:T:WEP;S:network_name;P:network_password;;