Unblock Youku and all - Unblock Boundary is a free Chrome add-on developed by UB. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This program is designed to help users abroad access video and music websites such as Youku and all. It also assists users overseas in accessing web services in mainland China.

By installing the Unblock Youku and all - Unblock Boundary extension, users can bypass geographical restrictions and enjoy content that is typically unavailable outside of China. This tool provides a convenient solution for individuals who wish to access Chinese websites and services from anywhere in the world.