A friend has 100 different PDF files. He wants to replace some text, the text is the same in all files. The software should be able to edit all of files at once.

Ideally the software should be able to scan a directory full of PDFs, manipulate them, then save them.

My friend uses Ubuntu and Windows, so either OS is fine. Ideally he's looking for a freeware.

  • Whoa, I just came to SR looking for software for exactly this type of job, and saw your question randomly on the front page.
    – Fiksdal
    Jul 15, 2016 at 20:22
  • 1
    @Fiksdal Telepathy :)
    – Lynob
    Jul 15, 2016 at 20:29

1 Answer 1


You can use changepagestring.pl (based on CAM-PDF):

  • Open source
  • Gratis
  • Cross-platform
  • Search a string or a regular expression, and replace in all PDF pages
  • in all pdf pages? not files? can it scan multiple files?
    – Lynob
    Jul 15, 2016 at 18:32
  • 1
    Since it's CLI you can call it for each file in a directory. Jul 15, 2016 at 18:39
  • Please note that if the pdf files are from a scanner or the like they contain images rather than text so this, and most other, solutions will not work on such files. Jul 16, 2016 at 11:18
  • 1
    @SteveBarnes in that case you can use Adobe Acrobat for OCR (it can batch process). Jul 16, 2016 at 12:48

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