preview won't open a large jpg file

Hi, I downloaded a 35.690x28.030 jpg file that I need for my studies, but Preview simply won't open it. I'm not even getting an error message or anything, just nothing is happening. I have a MacBook Pro 2015 2,7 GHz i5 8 GB Memory running on Catalina. What can I do? I forced-quit Preview, I restarted my Mac, I tried opening it with Open Any File, nothing works.

MacBook Pro 13″, macOS 10.15

Posted on Oct 11, 2020 6:39 PM

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Posted on Oct 12, 2020 2:04 AM

That image is really huge.


I found an image on internet with the same size – https://en.wikipedia.org/wiki/File:Turgot_map_of_Paris_-_Norman_B._Leventhal_Map_Center.jpg.


On my system with 32GB RAM Preview hangs (I waited a few minutes before forced quit).


Photoshop does open it.


Safari opens it only partially. Firefox completely, even though without the possibility to zoom in. Chrome loads nothing.


Is it really necessary to use an image with that size? Can't you use for your studies a reduced version?

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Question marked as Top-ranking reply

Oct 12, 2020 2:04 AM in response to laura_needs_help

That image is really huge.


I found an image on internet with the same size – https://en.wikipedia.org/wiki/File:Turgot_map_of_Paris_-_Norman_B._Leventhal_Map_Center.jpg.


On my system with 32GB RAM Preview hangs (I waited a few minutes before forced quit).


Photoshop does open it.


Safari opens it only partially. Firefox completely, even though without the possibility to zoom in. Chrome loads nothing.


Is it really necessary to use an image with that size? Can't you use for your studies a reduced version?

Oct 12, 2020 8:16 AM in response to laura_needs_help

laura_needs_help wrote:

That actually is the file! And I need it for architectural drawings, so I have to be able to zoom in without the image getting blurry. I don't know how my professor imagined this to go because us students usually don't have the most powerful laptops obviously. I tried opening it in different web browsers too; for me Safari does load the image but I can't zoom in either. But it's fine, I just have to make it work without the detailed map. Thanks for your help anyway!!


Try a faster internet connection— your network may not be adequate.


If download is not the issue, you can try resizing it.

ex. graphicconverter Graphic Converter - Lemke Software


or download one of the smaller resolutions.

Oct 12, 2020 8:05 AM in response to Marco Klobas

That actually is the file! And I need it for architectural drawings, so I have to be able to zoom in without the image getting blurry. I don't know how my professor imagined this to go because us students usually don't have the most powerful laptops obviously. I tried opening it in different web browsers too; for me Safari does load the image but I can't zoom in either. But it's fine, I just have to make it work without the detailed map. Thanks for your help anyway!!

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preview won't open a large jpg file

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