Feel free to practice writing in Japanese or romaji. Help each other out with corrections or replying back in Japanese
Personally, I don't use any of these online automatic translator as I find them to be quite unreliable as they are not precise in their translating, thus they end up jibberish. I may dabble with for fun, but that's as far as it goes. But it may be helpful, as a guidance, but never take it seriously word-for-word.
Haha, I once used the http://www.worldlingo.com online translator. I instantly found it to be a load of bull. The gibberish produced in the "translation" of the text I pasted was laughable. I have tried other internet translators, but of course have found no improvements. To this day I have not found an accurate internet translator. Lol. I now realize that there just aren't any.