ATBar

ATBarATbar is free and allows you to change the look and feel of webpages, increase and decrease font sizes, have text read aloud, use coloured overlays, readability and a dictionary to aid reading. Spell check forms and try word prediction when writing. It is a simple tool which is available for most popular browsers.
It can help those with low vision, dyslexia, other reading difficulties as well as those who may wish to just reduce the glare of black text on bright white backgrounds