I have never heard of this. Link? How does it do for French-English?

DeepL is pretty great for most European languages. Here's a comment on difficult French text from a previous HN submission [0]

[0] https://news.ycombinator.com/item?id=15123833

deepl.com it's usually better than Google for everything it supports. Though Google has been catching up.

Oh, good to know. I ran it through there and there are some differences, but it's not much deeper. I'm adding the translation to my original comment.