Friday, April 20, 2018

When PNGs Suddenly Become JPEGs

Howard Oakley:

I wasted half an hour trying to get one screenshot yesterday, a good illustration of how workflows involving Pro-branded products with iCloud Drive may not deliver pro results.

But later last night, in discussion with those marvellous folk at @AppleSupport, they found me a workaround, and pinpointed where the problem must lie. When I take a screenshot, then view it in Photos, tap the Share icon there, and despatch it to iCloud Drive, that image is shown as a JPEG throughout, with the .JPG extension. When I take a screenshot and immediately tap its transient thumbnail at the bottom left, before it vanishes, and despatch it from there to my iCloud Drive, that remains a PNG with the extension .png (also note the lower case).

[…]

One important lesson for me is the value of the new Apple Support app available free from the iTunes App Store: I have installed this on my iPhone and iPad now, as it makes support calls so much easier. It’s a shame that Apple hasn’t yet produced a version for macOS.

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If you use iCloud Photo Library, that syncs them in .png. And it syncs them automatically, more or less quickly.

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