Preview app. Issue with images resolution exported from pdf.

Hi everyone,

since I updated my Mac book pro to MacOS 11.0 I can't choose the resolution of an image exported from a pdf with preview app. In particular, I open a pdf with preview app, I click one file > export, I select JPEG I change the default resolution option (72 ppi) with an other value but the images exported is 72 ppi for any value that I set as resolution.

I thought that it was a bug of the first release of macOS 11 but although I updated to macOS 11.1it doesn't work. I even tried with an M1 device running obviously the same version of macOS but I still have this issue.


Is there anyone with the same issue?

Did you find the way to fix this?

Thank you!

MacBook Pro

Posted on Dec 19, 2020 1:34 AM

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5 replies

Dec 21, 2020 5:53 PM in response to PepperPro

Hello PepperPro,


We understand you are unable to change the resolution option on photos and we're happy to help. First, does the same issue occur after restarting the Mac using the steps here: Log out, sleep, wake, restart, or shut down your Mac ?


Also, does the same issue occur in a different user account? If you have another user account already set up, then you can use that one. If not, please follow the steps here: Set up users, guests, and groups on Mac to set up and test in a different user account. 


Best regards


Jan 19, 2021 9:35 AM in response to PepperPro

Automator has an action for extracting an image from a PDF page. I created a new folder on my Desktop named PDF2Image, and when I save the following Automator application to my Desktop, I can drag and drop a PDF onto the Automator application, and it will generate a sequential image in that PDF2Image folder for each page in the PDF — at the specified resolution.


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Preview app. Issue with images resolution exported from pdf.

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