How to split A3 scanned pdf into A4, split down middle?

Forum|Forum|15 years ago
December 11, 2010
2 replies
68363 views

To save time I scanned part of a book two pages at once, in landscape A3 (UK paper size). I now want to split it down the middle so each page is separate, in A4 portrait.

What's the easiest way to do this? I have acrobat pro extended at my university.

If I could duplicate each page then I could crop the evens one way and the odds the other, but I can't find a way to duplicate each page.

If someone can tell me how to do this (must be extremely common) job I'd be very happy. Thanks

This topic has been closed for replies.

J

JacobCB

Participant

Hi everyone,

I hope by now you've discovered Briss http://sourceforge.net/projects/briss/

It was designed to do this specifically and is flawlessly fast and easy. It would be a nightmare to use any of the methods described above.

jt77474Author

Inspiring

I've realised that if I can duplicate each page in the document then it will be easy to apply a crop to all the odd pages, and the opposite crop to all the even pages. Short of pressing the scan button twice for each page, how can I duplicate every page in a pdf, so the order would go from:

page1

page2

page3

etc

to

page1

page2

page3

etc

So that each page appears twice? This is a pain to do manually for large documents. Please share some wisdom with me, Thanks

jt77474Author

Inspiring

I found a solution, no thanks to this forum community I'm afraid.

1 - export pdf to image, one tif for each page

2 - copy and paste each tif in windows explorer, so that you now have duplicates of each page. They should appear in the right order:

page 1

page 1copy

page 2

page 2copy

etc

3 - create pdf by combining files in acrobat pro. make sure you drag the list of files in the CORRECT order, ie don't resort by date

4 - you now have duplicates for each double page. Crop them from the right for the odd pages, and from the left from the even pages

5 - compress the file to discard the cropped out regions

problem solved. Still would be nice if adobe offered an easier way to do this though

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