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raymondh93818467
raymondh93818467
Inspiring
August 19, 2018
Answered

There are problems when PS CS6 is saved as JPEG.

  • August 19, 2018
  • 1 reply
  • 363 views

When you save a picture in JPEG format using PhotoShop CS6, the file doesn't automatically change the sequence to.jpg. It just becomes a copy. Every time you want to save it as JPEG, you need to manually change the sequence to.jpg. My version of PhotoShop is 13.1.2 (for mac) , and its TIFF format is no problem. My computer system is macOS 10.13.6. This is Bug of PhotoShop CS6? !

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Correct answer JohanElzenga

I'm not sure what you mean with 'sequence', but I assume you mean the file extension? Maybe this is your problem: Photoshop cannot save a layered file as JPEG, because JPEG does not support layers. Same for a 16 bits/color file. JPEG only supports a 'flat' file and 8 bits/color. So if you try to save a layered or 16 bits file as JPEG anyway, then Photoshop will save a flattened 8 bits/color copy. The layered or 16 bits original remains unsaved.

1 reply

JohanElzenga
Community Expert
JohanElzengaCommunity ExpertCorrect answer
Community Expert
August 19, 2018

I'm not sure what you mean with 'sequence', but I assume you mean the file extension? Maybe this is your problem: Photoshop cannot save a layered file as JPEG, because JPEG does not support layers. Same for a 16 bits/color file. JPEG only supports a 'flat' file and 8 bits/color. So if you try to save a layered or 16 bits file as JPEG anyway, then Photoshop will save a flattened 8 bits/color copy. The layered or 16 bits original remains unsaved.

-- Johan W. Elzenga
raymondh93818467
raymondh93818467Author
Inspiring
August 20, 2018

OK, I know the reason. Thank you for your help. My original files contained layers, so they could not be saved as JPEG directly. At the same time, I also found that the PS CC2014 version and above can also save the file contained the layers as JPEG directly.Certainly, when you saved as JPEG, the software will also be prompted to save as a copy.

D Fosse
Community Expert
D FosseCommunity Expert
Community Expert
August 20, 2018

The principle here is very simple once you consider two things:

1. The jpeg format specification is extremely limited and supports no special file properties. A file you have worked on in Photoshop can very likely not be saved to jpeg directly, but has to be saved as a stripped-down copy.

2. Once this copy is saved out, Photoshop asks what you want to do with the original file, with all the extra properties. It doesn't just throw the original out.

Earlier versions of Photoshop would just refuse to save until the file conformed to the jpeg spec. The "save as copy" function was added to simplify things for the user. But the underlying reality of the jpeg spec hasn't changed.

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