This is an extension for VS 2012, 2013, 2015 and 2017 which enables you to directly search the web from the context menu of Code or HTML editors.
The latest version of this extension is available at Visual Studio Gallery.
The usage is simple and straightforward:
Right-click a word you want to look up. When nothing is selected, it automatically picks up a word.
Don't prefer Google? Feel free to use your favorite search engine.
Select [Tool] - [Options...] from the menu bar, then [Simple Web Search].
or example, If you want to use MSDN Library. Change the settings like:
Menu Caption = "Search MSDN Library for '%QUERY%'."
Query URL = "http:https://social.msdn.microsoft.com/Search/en-US?query=%QUERY%"