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3 ways to convert a PDF to a Word document
Also: 6 ways LibreOffice is better than Google Docs for serious writing ... in headless mode (without a GUI).--convert-to doc:"writer_pdf_Export" - this tells LibreOffice what conversion format ...
How to translate a PDF with Google Translate
Direct conversion to Google Docs may not be perfect when dealing with PDFs with complex formats, images, or unusual fonts.