Renders a text version of a web page similar to how a screen reader would read it. The ambition is to help developers understand how an assistive device would present a website and thereby increase chances of finding accessibility issues early.
A screen reader is an essential piece of software for a blind or visually impaired person. Many people could not afford the expensive price tag associated with some of the more sophisticated screen readers. Luckily for them, there are several screen reading software that are completely free.