Re:Show HN: I wrote a free Mac app to OCR any text on screen
by rjzzleep on Saturday May 22, 2021 @07:00AM
(#27245361)
OCRmyPDF does that. Given the name I assume it's only for PDFs given the name, but theoretically it should work for any image without the need to extract it from the PDF.
https://github.com/jbarlow83/OCRmyPDF