Good add-on, lots of customization. The default voice is annoying and hard to understand (imo) but there's so many to choose from after opening up the options menu. They are all named, which makes it easier to switch between different ones if you want. There are some silly ones (like "bells" or "bubbles.") and you can adjust the speed and pitch, too.

My only complaint is that it is kinda convoluted to get it to work with PDFs, which is the main thing i was planning on using it for. I'm willing to put in the extra effort, but it is annoying. Especially because I deal with pretty severe brain fog at times, and those are the times I would want to use this. Having to take extra steps when you're already confused as a baseline... it's not fun. Simple is better. If this could be simplified or side stepped, this would get 5 stars from me.