{"id":8744,"date":"2022-08-22T17:44:35","date_gmt":"2022-08-22T12:14:35","guid":{"rendered":"https:\/\/razorpay.com\/blog\/?p=8744"},"modified":"2025-04-16T18:13:51","modified_gmt":"2025-04-16T12:43:51","slug":"beginners-guide-to-qr-code-generation","status":"publish","type":"post","link":"https:\/\/razorpay.com\/blog\/beginners-guide-to-qr-code-generation\/","title":{"rendered":"A Beginner’s Guide to QR Code Generation"},"content":{"rendered":"

A couple of decades ago, Japan was in a period of high economic growth. Consequently, the cashiers had to manually enter the price of products leading to numbness in their wrists. Looking at the scenario, a Japanese engineer, <\/span>Masahiro Hara<\/span>, invented a QR code while working at Denso Wave Corporation. The invention of these QR codes provided a quick solution to this problem.\u00a0<\/span><\/span>\u00a0<\/span><\/p>\n

Today, QR codes are used by merchants all over the world. It is an effective tool to optimize payment methods<\/a>, enhance product packaging, and much more. Now, let’s start this article with learning what are QR codes and then move forward to learning how are QR codes generated.\u00a0\u00a0<\/span>\u00a0<\/span><\/p>\n

What is a QR Code?\u00a0<\/span><\/b>\u00a0<\/span><\/h2>\n

A Quick Response Code, popularly known as a QR code<\/a>, is a two-dimensional barcode that encodes alphanumeric information. Users can simply use a QR code scanning application on their smartphones to make payments. With the growing usage of QR codes, many smartphone companies like iPhone, Samsung, Xiaomi, etc., have an in-built QR code scanning feature in their camera.\u00a0\u00a0<\/span>\u00a0<\/span><\/p>\n

Did you know? A QR code can store up to 7089 digits or 4295 characters. However, it is important to remember that the more data you add to your QR code, the more complex it will be in size and structure.\u00a0\u00a0<\/span>\u00a0<\/span><\/p>\n

Related Read:<\/strong> QR Code Size Guide: Minimum, Maximum & Best Practices<\/a><\/em><\/p>\n

How do QR codes work?\u00a0<\/span><\/h2>\n

QR codes (Quick Response codes) work by using a pattern of black and white squares to store information. When scanned by a QR code reader, such as a smartphone camera or a dedicated scanner, the code is decoded to reveal the embedded information. The code can contain various types of information such as website URLs, product information, contact details, and more. The code works by encoding the information into the pattern of squares using a specific algorithm. The reader scans the code, decodes the information, and directs the user to the relevant website, app, or information page. QR codes are widely used in marketing, advertising, and payment systems.<\/span><\/p>\n

Types of QR Codes\u00a0<\/span><\/b>\u00a0<\/span><\/h2>\n

1. Static QR Code <\/span><\/b>\u00a0<\/span><\/h3>\n

Static QR codes are the kind of QR codes that are free as well as permanent. However, these QR codes cannot be modified; hence you cannot change the data that has been stored in the QR code. It can be used for linking URLs, texts, email addresses, WIFI passwords, and social media links such as Twitter, Facebook, Instagram, etc.\u00a0\u00a0<\/span>\u00a0<\/span><\/p>\n

The three primary features of static QR codes are:\u00a0\u00a0<\/strong><\/em><\/p>\n