The QR Code Extension

The QR Code Extension 插件安装教程：

扩展迷 | chrome插件下载与安装教程（图文讲解，全网最详细）

The QR Code Extension 插件简介：

Generates a QR Code from the Page URL of the current tab with a single click. The QR Code is displayed inline in a small popup.

Please note that this extension, unlike other extensions, does not require any special permissions (like access to your tabs and data). It is only loaded when you click on the button. So it does not have any unnecessary memory consumption and performance implications while not used.
Also note, that the QR code is generated completely offline. The URL of the Page you visited is not sent over the network (except when you click on “Edit QR Code” – that opens www.the-qrcode-generator.com). So it’s probably as good as it regarding privacy and security.

The QR Code Extension 插件ID：

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The QR Code Extension 插件最新版本：

0.5