Visual Macros Expander is a Visual Studio extension that expands C++ macros in an easy, convenient way. It displays a result using real C++ preprocessor output, formatted and highlighted. It helps the developer to visualize immediately non-obviouse, error-prone and difficult for undestanding macros constructions.

It`s free for personal, non-commercial use.

Real preprocessor output (with current project environment)
Formatting output (try to format even partial defined structures, functions etc.)
Highlighting syntax (keywords, function names etc.)
Expanding macros in header files