It's obvious I'm not a native English speaker and this is why when I write in English it's common that I make lots of mistakes. There is also a difference between the punctuation in my own language and English, especially where you put commas. And this directly can affect the meaning of a whole sentence or even a paragraph. Regular Google spellcheck would resolve most of the missed letters or incorrectly written words, but it would not go further to correct your whole sentences to have better meaning.

This is why I downloaded a month ago the free version of Grammarly. It's a Chrome extension that also has a Windows app and Office add-ons that will assist you when writing text in English (you can select between several different versions of it):

The free version offers much more than any other spell-check. It can go even to a state it will offer you to rearrange whole sentences to sound more clear. Also, it gives you this cool feature called "Tone detector" to tell you how your text would sound to others:

The paid version they offer has some great stuff in it, however, it is a little bit expensive for my taste. It would cost about $130 per year.

In general, I hate when I go to one of my own old articles and I run it over the Grammarly spell-check and see it has lots of typos and makes me want to kick myself how I can make such mistakes.

On other hands, such tools as Grammarly would help you improve your Enlgish so I suggest whoever feels the same to start using it.