How to Use Siri Voice Generator on Mac & Windows The Siri voice generator is a great tool, whether you are looking for a sinister robot voice or just a funny text to speech sound. In contemporary life, mobile phones are likely to be a factor in any content you wish to create portraying the world. You Tubers, TV shows, and Hollywood have tried a variety of ways to show text, but what if you want to show a text to speech, voice generated by Siri? You can easily do this with a Mac. It's also free! Even if you don't own a Mac there are still a few ways to get that personal assistant sound without spending any money. Keep reading to learn how!