jquery.qrcode - jquery plugin for pure browser qrcode generation on Jerome Etienne blog
A lightweight jQuery plugin for generating QR codes directly in the browser using pure JavaScript, eliminating the need for external image services or API calls. The plugin is self-contained (under 4KB minified), works offline, and requires only three simple steps: include the script, add a container element, and call the qrcode method with your data. The code is open-source on GitHub under an MIT license.