Please report issues on our GitHub issues page, and follow the issue template for quick response. Our documentation is served on Read the Docs. For Linux users, you can often find packages that provide language packs: OCRmyPDF uses Tesseract for OCR, and relies on its language packs. Operating systemįor everyone else, see our documentation for installation steps. Docker images are also available, for both 圆4 and ARM. Linux, Windows, macOS and FreeBSD are supported. On top of that none of them produced PDF/A files (format dedicated for long time storage).Or they did not produce valid PDF files.Or they generated ridiculously large PDF files.Or they changed the resolution of the embedded images.Or they did not handle accents and multilingual characters.Either they produced PDF files with misplaced text under the image (making copy/paste impossible).I searched the web for a free command line tool to OCR PDF files: I found many, but none of them were really satisfying: Scales properly to handle files with thousands of pages.įor details: please consult the documentation.Uses Tesseract OCR engine to recognize more than 100 languages.Distributes work across all available CPU cores.If requested, deskews and/or cleans the image before performing OCR.Optimizes PDF images, often producing files smaller than the input file.When possible, inserts OCR information as a "lossless" operation without disrupting any other content.Keeps the exact resolution of the original embedded images.Places OCR text accurately below the image to ease copy / paste.Generates a searchable PDF/A file from a regular PDF.See the release notes for details on the latest changes. Output_searchable.pdf # produces validated PDF output Input_scanned.pdf # takes PDF input (or images) output-type pdfa # it produces PDF/A by default jobs 4 # it uses multiple cores by default title "My PDF " # it can change output metadata rotate-pages # it can fix pages that are misrotated l eng+fra # it supports multiple languages Ocrmypdf # it's a scriptable command line program
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