OCRmyPDF is a free open-source command-line tool that adds an OCR text layer to scanned PDF files, allowing them to be searched or copy-pasted. It is already being used to scan and search millions of heavy PDF files.


Its features include:

  • Generates a searchable PDF/A file from a regular PDF

  • Places OCR text accurately below the image to ease copy / paste

  • Keeps the exact resolution of the original embedded images

  • When possible, inserts OCR information as a "lossless" operation without disrupting any other content

  • Optimizes PDF images, often producing files smaller than the input file

  • If requested, deskews and/or cleans the image before performing OCR

  • Validates input and output files

  • Distributes work across all available CPU cores

  • Uses Tesseract OCR engine to recognize more than 100 languages

  • Keeps your private data private.

  • Scales properly to handle files with thousands of pages.


macOS Windows and Linux


MPL-2.0 license


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