About
“A QR code (Quick Response code) is a form of 2D barcode designed to be quickly scanned by smartphones and QR scanners. It displays a pattern of black squares on a white surface, arranged in a precise grid. These codes can hold different types of information, including URLs, text, and various data, which can be instantly retrieved when scanned by a compatible device.”
This site provides a QR Code scanner directly in the browser, implemented in JavaScript.
Supported browsers: 
or 
or 
Unlike other products, this solution provides an easier way to read QR Codes as no image uploading is necessary.
The JavaScript implementation is based on the ZXing multi-format 1D/2D barcode image processing library implemented in Java.
The QR Codes are created with the Google Chart Tools.
The source code of the QR Code scanner is on GitHub (https://github.com/LazarSoft/jsqrcode).
