Basically, it does nothing. I think that it didn't install the voices because I don't listen any voice. I am on Firefox – Arch Linux – Kernel 6.1.12 – x86_64.

This app would be wonderful and my top choice if the "read from website" option actually worked. If it was able to do that and more importantly for me work on google docs, this would be a 10 star. I won't use this since there are better tts apps but this one is close to being good.