A little late, but I finally built GenScriber for macOS.
It should run in High Sierra, Mojave and Catalina. I have no idea if it will run in Big Sur or Monterey.
This is a direct link. https://genscriber.com/download/download.php?file=genscriber_269_mac_beta.zip&id=1483269
I have not put it on the website yet. Expect bugs. Don't use it with serious data ...
FTAnalyzer has a "treetops" function that lists all the direct answers at the top branches of your tree. ie: direct ancestors for whom you are missing a parent.
The program exists for the Mac and is available free in the Mac App Store.
FTAnalyzer www.ftanalyzer.com has a function that does exactly this load up your GEDCOM file it strips out all the non essential data and fully privatises any living individuals. It then creates a stripped down GEDCOM file you can load up to a DNA website. This function was literally created for exactly the purpose you describe of making it as simple as it ...