pdfsandwich

v 0.1.7

a tool to make "sandwich" OCR pdf files

pdfsandwich generates "sandwich" OCR PDF files, i.e. PDF files which contain only images (no text) will be processed by optical character recognition (OCR) and the text will be added to each page invisibly "behind" the images. pdfsandwich is a command line tool which is supposed to be useful to OCR scanned books or journals. It is able to recognize the page layout even for multicolumn text.

http://www.tobias-elze.de/pdfsandwich/

To install pdfsandwich, paste this in macOS terminal after installing MacPorts

sudo port install pdfsandwich

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