But with the OCR technology and OCR software, you can extract the text from screenshot or image easily on mac. Before the advent of OCR technology, people usually input manually which is time consuming. Sometimes, we may have some images that contain a lot of text and we need those.
According to Wikipedia, it is the mechanical or electronic conversion of images of typewritten or printed text into machine-encoded text. OCR is the abbreviation of Optical Character Recognition.
Extended features: create and convert PDFs, protect and compress PDFs.OCR files to Text, Word, Excel, PowerPoint, HTML, Pages, Keynote, etc.