I have a PDF with following pattern:

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I need to transform each page of this PDF into two distinct pages, as follows:

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So, if I had a PDF with 12 pages (2 slides for each page) I will expect a new PDF with 24 pages (1 slide for each page).

How do I can do that?

1 Answer 1


Open your pdf in Preview.app. Click the toolbox icon. Click the Rectangular-Select icon. Select one of the pages. Copy it. Click File > New from clipboard. Save that file. Repeat. Now you have Untitled1 through Untitled24. Open Untitled1 in Preview. Click the menu just under the red x and choose "Thumbnails." Drag all the files Untitled2-24 just under Untitled1 in the sidebar. Save as a pdf.

  • This solved the problem I asked. Thank you. But I haven't specified how to have an "automated" mechanism to do that: how much time I will have to spent to transform 9 documents having between 24 ÷ 87 pages?
    – kitsune
    Commented Feb 13, 2017 at 17:22
  • You may be able to automate the process with Briss. briss.sourceforge.net. It's what I use for problems such as yours, when I scan a book open faced and then want it in single pages. Sorry for not mentioning it the first time. Commented Feb 14, 2017 at 8:20

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