Echa un vistazo a https://www.deepl.com
No hablo bien español, pero recibo muy buenos comentarios sobre la legibilidad de mis textos de los españoles con los que me comunico.
También es un proyecto basado en Alemania y completamente libre de google!

Original English:
Have a look at https://www.deepl.com
I do not speak spanish well, but i get very good feedback regarding readability of my texts from spanish people i communicate with.
Also it is a german based project and completely google free!

And reversed english from translated spanish:
Check out https://www.deepl.com
I don't speak Spanish very well, but I receive very good comments about the legibility of my texts from the Spaniards with whom I communicate.
It is also a project based in Germany and completely free of google!

Looks like my english also gets better. lol. i am going to take the reroute through deepl now.