Also, ocrmypdf [0] is a great Tesseract-based tool which makes it easy to add ocr layers to raster pdfs. Plus, it takes care of optimizing the resulting file (c

Also, ocrmypdf [0] is a great Tesseract-based tool which makes it easy to add ocr layers to raster pdfs. Plus, it takes care of optimizing the resulting file (compression, etc). I used it on several old academic papers and have been pleased with the results. [0]: https://github.com/jbarlow83/OCRmyPDF https://github.com/jbarlow83/OCRmyPDF