Beyond Compare Folder Filter
I’ve used Beyond Compare for years. I love the product. https://www.scootersoftware.com/
When I’m comparing folders, many times I need to exclude certain folders from the compare. Below is what I put into the Filters to exclude build folders
-*.suo;-*.dbmdl;-*.user;-bin\;-obj\;-TestResults\;-debug\;-release\;-.vs\