Read&Write Gold 

...

The discrete, customizable toolbar  works with commonly-used file types and applications including: Microsoft ® Word, Google Docs™, PDFs, Mozilla Firefox®, Internet Explorer®, Safari, and Chrome™, to make digital content accessible. The software can take scanned electronic documents and camera images into a format that enables interaction with the content.

...

Download Read&Write Gold and iReadWrite for PC and Mac (You must login to Answers to download Read&Write Gold)

iPad version installation (You must login to Answers to download iReadWrite to install)

...