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I have a PDF file that was the result of the scan of a book.

In this file 2 pages of the book correspond to 1 in the PDF. So when I see a page in the PDF file I'm actually seeing 2 pages of the book.

enter image description here

(original)

I would like to know if there's any way to convert this file to another PDF where 1 page of the book corresponds to 1 page of the PDF i.e. the normal situation.

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3 Answers

up vote 10 down vote accepted

Try Gscan2pdf, which you can download from the Software Centre or which you can install from command line sudo apt-get install gscan2pdf.

Open Gscan2Pdf:

  1. file > import your PDF file;

    import

    Now you have a single page (see the left column):

    single

  2. then tools > Clean up;

    clean up

  3. select double as layout and #output pages as 2, then click OK;

    split

  4. Gscan2pdf splits your document (among other things, it will also clean it up and deskew it etc.) Now you have two pages:

    double

  5. Save your PDF file if you're satisfied with the result.
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Thank you for your detailed explanation! – JGNog Sep 5 '11 at 23:08
I've been looking for an easier way to use unpaper without having to produce ppm files and this is it. Very helpful answer. – To Do Jan 26 '12 at 9:53
For future readers: this doesn't do what you want with non-image PDFs -- only the images are imported. gscan2pdf looks great for scanning, though :). – Andrew Aylett Nov 13 '12 at 22:00
up vote 0 down vote

There is a wonderful program scankromsator. It is free and works quite well through wine. More information here.

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up vote 4 down vote

I would use Briss. It lets you select various regions of each page, each of which to turn into a new page.

enter image description here

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I accepted the answer from Benjamin and not yours simply because Briss is not mature yet. I tried Briss and it looks good. But gscan2pdf installation is much quicker and cleaner. Thank you for your contribution, anyway! – JGNog Sep 5 '11 at 23:04
I've been using Briss for over a year now. Seems reasonably mature to me. – frabjous Sep 5 '11 at 23:12

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