<a href="https://vocalmatic.com" rel="nofollow">https://vocalmatic.com</a>
It is not my service but it is very cool and works fine with lots of languages. The only concern is the pricing.
I am posting it to be able to add it to my favorites. :)
Please don't put Show HN in a title unless it's your own work.<p><a href="https://news.ycombinator.com/showhn.html" rel="nofollow">https://news.ycombinator.com/showhn.html</a>