On iOS devices, having “ iCloud photos” and “optimize storage” turned on causes photos on the device to be replaced with low quality versions. Is this the same situation with the Dropbox app?

  • This is yet another in a series of "will x reduce my picture quality?" Why don't you just store them on a hard drive, then you're in charge of what happens to them?
    – Tetsujin
    Mar 12, 2020 at 10:45
  • @Tetsujin to transfer images from a mobile device to a hard drive (automatically) one needs to jump through quite some hoops. Dropbox simplifies those steps tremendously. I think it's a valid question, but could perhaps be broadened to something like "what iOS sync app does not reduce the quality of photos stored on the device?" Mar 12, 2020 at 11:29
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    @SaaruLindestøkke - Launch Image Capture, set destination, hit Go. Done. This is the 8th question along similar lines. There is a distinct lack of learning going on here.
    – Tetsujin
    Mar 12, 2020 at 11:59
  • Launch Image Capture what if one is on Windows? Linux? And this requires that the user remembers to do this periodically. Also, if you feel this is a duplicate, can we not mark it as such? There is a distinct lack of learning going on here, by whom? I don't think we can treat all the users with this question as a single entity that does not learn. Mar 12, 2020 at 12:50
  • You could just turn off optimize storage. It’s not like you lose access to the full resolution images in any case.
    – Eric S
    Mar 12, 2020 at 16:52

1 Answer 1


No. Dropbox uploaded JPEGS are bitwise identical to the ones on the phone. I do not know what it does with HEIF images.

In any case, Dropbox won't change the images on the device itself. Also, DB doesn't even have an “optimize storage” option.

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