The compare tool in Visual Source Safe (pre TFS) had a handy checkbox to select \"Ignore White Space\".
Now we are using TFS with Visual Studio 2010, and the compare
The default diff tool in VS 2013 does let you ignore whitespace after all. Just run the standard differencing process. When Visual Studio brings up the differences, look on the toolbar, where you will see an icon that looks like a document with 5 dots under it, as shown below. This button toggles whether the displayed differences ignore white space. This worked well enough for me; I wanted it to ignore changes in the white space caused by indentation.