By which you mean that if you have a fusee-glecee (sic) compatible switch, no hardware mods are necessary beyond turning it on holding a usually inaccessible button combination, right? After that, everything is perfectly legal backup and format shifting.
> Your Switch keys and either your dumped firmware or recent game cartridge untrimmed XCI
> Your dumped Nintendo Switch games or homebrew
You don't need a hacked switch if you can find the homebrew apps / games / firmware on the internet and if you can find a donor set of keys. But that enters questionable territory