Chiết khấu VMT is a web browser addon and an application for Taobao and Tmall, both from Taobao Group. It can be downloaded and used in Firefox and Chrome on desktop computers. It can also be used in Internet Explorer and Safari.

To use it, just install the Chiết khấu VMT addon. You'll see a notification icon in the notification center on your desktop computer or device. If you want to see the content of a certain website, simply click the icon, then enter the URL (web address) of the website you want to see. After the website is loaded, you can use the web browser's feature to see it.