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• 06:52, 25 February 2026 BabiSender talk contribs created page Steps to Repair and OCR a Scanned or Corrupted PDF in Ubuntu (Created page with "= Steps to Repair and OCR a Scanned or Corrupted PDF in Ubuntu = ---- == Step 1: Clean or Repair the PDF == Use '''Ghostscript''' to rebuild damaged cross-reference tables and fix malformed PDF structure. <pre> sudo apt install ghostscript gs -o fixed.pdf -sDEVICE=pdfwrite -dPDFSETTINGS=/prepress -dNOPAUSE -dBATCH "input.pdf" </pre> '''What it does:''' * Repairs broken references (<code>xref</code> errors) * Normalizes streams and compression * Outputs a clean, sta...")