Going to guess this is a Windows question and you are thinking GUI. In that case I’d suggest the older https://checksumcompare.sanktuaire.com/downloads-en as it’ll do what you ask for visually.

There are a plethora of ways to do this in Linux on the CLI, TUI, and GUI, which is what most answers will likely lean towards given this community. If your apt toward that then start with https://unix.stackexchange.com/questions/330933/diffing-two-directories-recursively-based-on-checksums