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Document scans file size huge

I used the notes app to scan documents all the time. The pdf generated would normally be kilobytes, occasionally get into a mb or two. Ever since I updated to iOS 18, the files are huge, 40,50,60 mb or more. Even when I compress the file it’s still 5-10mb. Any idea why these scans are suddenly huge and what can I do to get it back to what it was?



iPhone 15 Pro Max, iOS 18

Posted on Oct 23, 2024 5:04 AM

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Posted on Nov 20, 2024 6:09 AM

Same. I use the Notes- Scan documents- all the time for work. I just updated my phone to ios18, and now the files are enormous. FIX THIS, APPLE!

10 replies

Oct 25, 2024 9:01 AM in response to Osfan93

Had many discussions with Apple tech support on this and it is a mystery to them as well. Seems that the document scanner is really just taking a picture and calling it a scan. Or perhaps Tim Cook is trying to sell more iCloud storage. I know that my older iPhone takes smaller scans of the same document (even using the same IOS) which brings me back to the fact that it is simply an image/phone pretending to be a document scan.


Maybe if we complain enough, apple might get around to fixing this. As such it is not usable.

Oct 23, 2024 6:21 PM in response to Osfan93

I think I found the difference. Everything is scanning in full color now. When I tried a 3 page test scan it came in at 4.4 MB. Then I found the Filters icon (three interlocking circles). When I changed it to Black & White it was 75 K, but looked awful. I changed ti to Grayscale and it was 631 K and look like it used to.


Try that and see what your milage is.

Nov 26, 2024 6:37 AM in response to Osfan93

Same issue. This is a BIG problem as I use this feature for work all of the time. There is a work around that is not efficient or doable in the long term. I can resave the document as a smaller size, but this is an additional step for multiple documents scanned daily. Also, switching to black and white does fix the size issue but the quality of the document is horrible and not usable!


Do better Apple and please fix this. Why do updates break things that were working fine...stop fixing it if it isn't broke! Thanks.

Nov 7, 2024 12:18 AM in response to Osfan93

Same here. I often use the notes app to scan documents. Sometimes I transfer those documents from icloud to windows.

In Windows I usually do a "Microsoft Print to PDF" from Acrobat Reader. Just did this with a ~24 Mb multi page document (A4 pages) which after Print to PDF was < 3 Mb.

In the Print Dialog however what I saw was that "Shrink oversized pages" was active. When I set it to "actual size" the frame to print was way smaller then the actual page size. Could have been almost A1! Well... selecting "Choose page size by PDF page source" would give a size of more than 8 x 11 inches - would be close to A0 then, wouldn't it? Why should a scan of an A4 page result in PDF pages in the size of posters?

Document scans file size huge

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