What is QR Code?

Admin
6 Nov, 2023

If you use a mobile then you must have used Paytm, Phonepe, Google Pay, or BHIM UPI at some point or the other in your daily life.  

While making payments through Paytm, Phonepe, Google Pay, or BHIM UPI, etc., there is a QR code that you can scan and make the payment. And in today's article, we are going to talk about this QR code. 

Today we will know in detail what a is QR Code? How many types of QR codes are there? What is their use and how to create a QR Code.

So without wasting any time, let us first know what is QR code?

What is QR Code

→Table of Contents

What is a QR code?

The full name of the QR Code is Quick Response Code. QR Code is a pattern in which information about a product remains hidden. It may contain some special type of text or information that can be scanned to find out the information hidden in it.

Its special thing is that we cannot read it with our eyes. It can only be read by scanning it with a QR code scanner device and the information hidden in it can be obtained.

However, nowadays almost every good mobile has the feature of scanning a QR code so that we do not need to buy a separate QR code scanner device. Our mobile phone itself works as a QR code scanner. 

QR Code was first developed in Japan. It is a black colored teddy line which is square in shape which we use in money transactions at shops so that we can transfer money to the person in front. 

History of QR Code

It was first made by a Japanese company Denso Wave. It was first developed for the automobile industry. However, nowadays QR Code is being used in all sectors including both business and personal. Nowadays 2D QR code is used the most.

Types of QR Code

Based on the use of QR code, it is of two types –
  1. Static QR Code
  2. Dynamic QR Code 

1) Static QR Code

This is such a QR code in which once the information is stored, you cannot edit or change it. If you want to change it, then you will have to create a new QR code from the beginning, only then you can update your information.

2) Dynamic QR Code 

This is a QR code which is also called Live QR Code. The information stored in this QR Code can be changed and also edited. There is no need to create a new QR Code to change the information. It takes less time to scan than Static QR Code and the scan performance can also be tracked.

Uses of QR Code

QR code has started being used in all industries, from business to grocery shops, schools, colleges, movie theaters, and many other industries. It has completely spread, and it is being used almost everywhere –
  • You can use the QR code on the back of your personal Aadhar card, business card, or visiting card, after scanning which your complete data will be known, whatever information you have fed in that QR.
  • You can also send your social profile, office, and home address to others through a QR code.
  • You can send an SMS without writing the number, you just have to scan the QR code sending the SMS, after that the number comes, and then you can send an SMS to that number.
  • By placing your QR code on your products, you can find out how many people scanned it, the name and its mobile number, etc.
  • QR Codes are used for payments in which you can send money to each other through QR Codes.
  • QR code is also used to login to the website, as soon as you scan that QR code, you will be directly logged in to the website.
  • QR codes can also be seen in magazines, buses, etc. By scanning the QR code of the magazine, you can get information about it and by scanning the QR code of the bus, you can make your payment.
  • Nowadays QR code is also used for entry, you cannot take entry anywhere without scanning the QR code.

Advantages of QR Code

It has many benefits, some of which are as follows –
  • There is no possibility of error in this and the result is absolutely correct.
  • Readable information is available immediately after scanning the QR code.
  • Has good capacity to store data and information.
  • Seems convenient and easy to use.
  • This saves time which is a good thing.
  • In this, information can be transmitted from one place to another as quickly as possible.

Disadvantages of QR Code

There are some disadvantages of QR code which are as follows –
  • Only machine devices can read it, man cannot read it and cannot even understand it.
  • Privacy of information is not completely possible, anyone can get the information by scanning it.

How to create a QR Code?

UPI/BHIM digital wallet apps of all types of banks provide you this facility to create and read QR code for payment, you can create it on your phone itself.

Steps to create a QR code that stores information –

  1. From your mobile phone or your laptop, first go to Play Store and install the QR Code Reader app.
  2. After that, go to that app, first go to Menu, and then press Create QR Code.
  3. Select the type of QR code you want to create.
  4. Then after filling in that information, click on the OK or Done button, then your QR code will be created and ready.
You can also print this created QR code as per your need and can also share it. Any person to whom you provide or share your QR code will be able to see and read that information with the help of the QR code.

How to scan the QR Code?

To scan the QR code, we do not need any big equipment, we can scan it from our mobile phone with our camera and use it. Let us see some of its steps –

Step 1- Go to your phone and open any app that has the feature of scanning QR codes like Phone Pay, or Google Pay.

Step 2- Now touch Scan and point your camera at the QR code you want to scan and within a few seconds it will scan the QR code.

Step 3- As soon as you scan, it will take you directly to your information page and whatever information is there in that QR code, that information will be visible to you.

Questions related to QR Code (FAQs)

What is the full form of the QR Code?

The full form of QR Code is Quick Response Code.

What types of businesses use QR codes?

Let us tell you that today it is being used in all types of businesses, whether it is a hospital, school, or any shop, it is being used everywhere.

Can QR codes contain errors?

Yes, of course, the QR code can also be damaged due to which it may malfunction.

Summary

  • QR code is a type of barcode that consists of a matrix of dots. Which is scanned using a QR code scanner or a smartphone with a built-in camera. 
  • It was originally used for tracking inventory. 
  • The QR code technology was developed by Densa-Wave, a subsidiary of Toyota. 
  • Static QR codes, as mentioned above, are commonly used to disseminate information to the general public. They are often displayed on posters and billboards and in advertisements in newspapers and magazines. 
  • Dynamic QR codes provide more functionality. They can be edited at any time. Such code contains more metadata to facilitate tracking.
  • The person creating the QR code can track information about how many times their code was scanned and whether the code's call to action was performed.
  • QR code is a type of two-dimensional bar code used to provide easy access to online information through the digital camera on a smartphone or tablet.

Learn More...

Conclusion

 In today's article, we talked about QR Code and learned what a is QR Code? How does the QR Code work? And how many types of QR codes are there?

I hope you liked this article and if you liked this article then do not forget to share this article with your friends so that they can also get information about what is a QR Code.

If you still have any questions or doubts related to the QR code, then you can ask us through comments. I will answer all your questions and for more information, you can contact us.

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