My son is dyslexic. So I built a Chrome text-to-speech and reading tools extension to make it easier for him to get access to written content online (and also to support him at school). It has support for Google Docs and PDFs as well as the web. There are a few of these, but this one tries to stay out of the way, have better tracking, better voices and lower cost. Still more to do on the reading side - writing is next after that.

https://www.maylo.app/