International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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QR Codes in the Digital Era: A Comprehensive Study

Author(s) Mr. Kanishk Verma, Ms. Shreya Tanwar, Mr. Sarang Dhiman, Prof. Dr. Archana Kumar, Prof. Dr. Yatu Rani
Country India
Abstract Quick Response (QR) codes are simple scannable squares formed using black and white modules (fundamental units which store the data) that allow people to access information instantly using a smartphone camera, and over the past few years, they have quietly become a common part of daily life — from scanning a menu at a restaurant to making quick and easy payments at a local store. QR codes offer several inherent advantages that make them highly effective for modern data encoding and communication systems. One of the most significant benefits is their robust error correction capability, which allows accurate decoding even when a portion of the code is damaged, distorted, or partially obscured. Their fast and omnidirectional scanning capability further enhances usability, as they can be read quickly from any angle without precise alignment. Moreover, QR codes are easy to generate and widely accessible, allowing individuals and organizations to create and deploy them across diverse applications such as marketing, education, healthcare, and secure data sharing. Despite their advantages, QR codes also present several challenges and limitations as they are limited by their finite storage capacity, lack of human readability, dependence on external systems, and susceptibility to misuse or malicious exploitation. The aim of this paper is to provide a thorough understanding of the QR Code technology.
Keywords QR Codes, Quick Response Codes, Encoding and Decoding
Field Computer > Data / Information
Published In Volume 8, Issue 2, March-April 2026
Published On 2026-04-12
DOI https://doi.org/10.36948/ijfmr.2026.v08i02.74135
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E-ISSN 2582-2160
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