QR Code Generator and Reader using HTML & JavaScript

Saheed Yekeen
Nov 25, 2020
Tutorials
795,924 views

A QR code (abbreviation for Quick Response code) is a specific matrix barcode (or two-dimensional code) that is readable by dedicated QR barcode readers and camera telephones. The code consists of black modules arranged in a square pattern on a white background. The information encoded may be text, URL, or other data.” (Wikipedia)

This tutorial provides a QR Code generator and reader directly in the browser, implemented in JavaScript. Supported browsers: Firefox, Chrome and Opera

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