How to add OCR to PDF using PDFOCR

PDFOCR is a Ruby script that can be used to add OCR text to a scanned PDF file.

• Install the OCR engines that it depends on:

$ sudo apt install tesseract-ocr tesseract-ocr-eng exactimage

• Get the PDFOCR script:

$ git clone https://github.com/gkovacs/pdfocr

• Use it to add OCR to a scanned PDF:

$ pdfocr.rb -i foo.pdf -o out.pdf

Tried with: Ubuntu 14.04