Creating a code to make unreadable pdf characters readable

[Larz60+]

with pytesseract which is a wrapper around Google’s Tesseract-OCR Engine at: https://github.com/tesseract-ocr/tesseract
you can include a config file that can be tweeked to try and get a better result. I'm not an expert, so can only point you in the direction of the application, see: https://pypi.org/project/pytesseract/