Using a free Google chrome extension – Project Naptha you can easily copy text from images from various websites. It comes in very handy in copying text from the banners and various images. However, please note that sometimes the text may not be copied as perfect, thus you might have to make some edits as required.

Regardless, a project like this makes a lot more things much easier. This extension is absolutely free and works great on various websites. Please do give it a try and let us know if this has worked for you or not.