Remarker is a Visual Studio extension designed to enhance code documentation by enabling resized comment lines, and using color and bold emphasis for highlighting tasks. Remarker ehances comments in C# and Visual Basic files, as well as html, xaml, and other markup files.
Packages exist for several versions of Visual Studio including 2017 and 2019. Search for Remarker on the Visual Studio Gallery.
Be sure to read our Wiki for more information.