Printing text to paper is done every day; on some occasions however the reverse is needed – getting the original text back from a scanned image or photograph, for further editing and use. This conversion is named Optical Character Recognition or OCR for short, and it can convert scanned books and documents into editable text, to get editable text from PDFs created via scanning, or even get text from screenshots and images.
There are a variety of tools available for character recognition and some of them are free to use. This article will help you find and choose between several free OCR tools.
Via Groupe ARPEGE