Can you recommend any free websites for checking grammar and punctuation in English writing, similar to Grammarly but without a subscription fee?

When wrting in French or English, I often use Google Translate. I toggle between the two languages to notice corrections and diffrent patterns of construction. Typographical errors in the first language usually get corrected in the second language. When I toggle back, my original is usually in better shape. This probably works with any other language, even if you don’t know that language. Try it!