I've used tesseract directly and there definitely is some footguns when it comes to PDFs and being sure not to re-compress them and lose quality. If you're loo

I've used tesseract directly and there definitely is some footguns when it comes to PDFs and being sure not to re-compress them and lose quality. If you're looking to add a text layer to a PDF (for search purposes for instance) I can highly recommend OCRmyPDF: https://github.com/jbarlow83/OCRmyPDF/ https://github.com/jbarlow83/OCRmyPDF/ It uses Tesseract and works quite well for most PDFs, I made a semi-functional script before I discovered it and it would have saved a lot of hassle.