Entity Framework 6 Power Tools are design-time utilities used in Visual Studio when working with the code-first development approach. As you know, the code-first approach does not support visual designer for the Entity Framework model. These power tools allow you to generate designer, XML and DDL SQL for your entities.
Download and install EF 6 Power Tools for Visual Studio 2015/2017 from Visual Studio Marketplace.
After installing it, right-click on a file containing a derived
DbContext class. The following context menu functions are supported:
Click on View Entity Data Model to generate a read-only view of all your entities in the code-first approach.