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Straighten scanned PDFs in Acrobat DC?

New Here ,
Jul 10, 2015 Jul 10, 2015

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Hi. Is there a way to straighten scanned PDFs from within Acrobat DC? I don't want to use external packages (e.g. Illustrator) to do this. These are older scanned PDFs that we have on file i.e. there's no possibility of re-scanning as the original documents are long gone.

If there's nothing automatic, is there a "free rotate" option where things can be rotated to some arbitrary degree?

PaperPort had/has a great feature where you draw a line to indicate the horizontal/vertical alignment of a page, and the page would rotate to match the line's orientation. (One for the wishlist!)

Thanks for any assistance on this.

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Create PDFs, Windows

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correct answers 1 Correct answer

New Here , Sep 01, 2016 Sep 01, 2016
Similar to Acrobat XI, DC has the option under the "Tools" menu. Click on  the "Tools" tab. Scroll down to "Protect & Standardize". Click on "Optimize PDF". Find the "Optimize Scanned Pages" link above the page view. The "Descew" option is under the "Filters" field.

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Adobe Community Professional ,
Jul 10, 2015 Jul 10, 2015

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In the Action Wizard of Acrobat Pro you can try the action "Optimize Scanned Documents".

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New Here ,
Sep 22, 2017 Sep 22, 2017

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That made the text of the document a lot less clear.

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Explorer ,
Oct 02, 2017 Oct 02, 2017

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Precisely.

And *that* is the problem .. when you deskew, then the text becomes less legible, the quality degrades. You should be able to have drag handles at each corner and just "tilt" the page as required. This was possible in older versions .. maybe v.8 or 9, don't remember, but to remove that feature is definitely a retrograde step!

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Adobe Community Professional ,
Oct 03, 2017 Oct 03, 2017

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It is possible in Adobe Acrobat DC Pro.

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New Here ,
Oct 03, 2017 Oct 03, 2017

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How???

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Adobe Community Professional ,
Oct 04, 2017 Oct 04, 2017

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With drag handles at the corner of the image you can "tilt" the image.

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Explorer ,
Oct 03, 2017 Oct 03, 2017

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I thought that's what we were talking about.

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New Here ,
Sep 01, 2016 Sep 01, 2016

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Similar to Acrobat XI, DC has the option under the "Tools" menu. Click on  the "Tools" tab. Scroll down to "Protect & Standardize". Click on "Optimize PDF". Find the "Optimize Scanned Pages" link above the page view. The "Descew" option is under the "Filters" field.

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New Here ,
Apr 10, 2017 Apr 10, 2017

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Don't you need to have Acrobat Pro to have this option?

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Engaged ,
Dec 23, 2016 Dec 23, 2016

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well, to continue in the direction of reducing usability, adobe has "added" de-skewing to the functionality of recognizing text.

so, if you "recognize text," the document will de-skew -- but of course it will also recognize text -- even if that is not what you want.

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New Here ,
Oct 13, 2017 Oct 13, 2017

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You can uncheck the box to recognize text - you can customize what you want to happen with the optimize as Stijlwheel explained.

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New Here ,
Apr 04, 2018 Apr 04, 2018

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I found that in Acrobat Standard DC you can manually rotate a page in a scanned PDF by going to Edit, selecting the page/image (CTRL+A works), and hovering your mouse over one of the corners until you see the rotate symbol. You can then drag your mouse to the desired rotation angle, as long as it is an even integer. Yes, you can only rotate by 2° at a time.

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Explorer ,
Aug 19, 2021 Aug 19, 2021

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This works, but as said only in 2 degree increments.  Straight up trash option really.  Acrobat DC Pro is rough these days.  I'm not afraid to say it.  The strange issues revolving tools packaged into the OCR/EDIT/Enhanced Scan features have gotten worse and worse over the years.  Many years back this was much more capable.

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New Here ,
Feb 14, 2020 Feb 14, 2020

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There is no "Protect & Standardize" in Tools. How do I de-skew a PDF in Adobe Acrobat Pro DC?

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