You're looking for accessibility tools. Modern desktop and mobile OSes have these built-in, Google [whatever OS] accessibility zoom. Open source screen reader:

You're looking for accessibility tools. Modern desktop and mobile OSes have these built-in, Google [whatever OS] accessibility zoom. Open source screen reader: NVDA (www.nvaccess.org) Industry standard screen reader: JAWS (www.freedomscientific.com/Products/Blindness/JAWS)