Have you tried: https://github.com/languagetool-org/languagetool
I’m very happy with it!
This, I very striktly press always the opposite shift. One hand types the desired symbol, the other modifies it.
⟨On paper the /s looks great!⟩
It’s also used a frightening amount for counter-arguments. Which I personally hat, since it just kills the conversation. Well unless it’s already in deeply opinionated context such as this.
“You shouldn’t eat ice cream with a fork.” “Doch! (I strongly think the previous statement should be true)”
Please never stop telling people.
But then again, looking at my own posts - I can find a reasoning chain to de-anonymize my account. Even though other probably couldn’t.