The functionality of this extension is now included https://www.visualstudio.com/en-us/news/releasenotes/vs2017-relnotes#manifest-designer-capability-for-creating-visual-assets
Generate all UWP tiles needed for your UWP application, on mouse click.
This is a revised version of https://github.com/shenchauhan/UWPTileGenerator (there is no more activity in this project)
I follow the guidelines provided here: https://msdn.microsoft.com/windows/uwp/controls-and-patterns/tiles-and-notifications-app-assets