AboutKevin Stohlmeyer Expertise I am an Adobe Certified Instructor. I can answer your questions about Adobe Photoshop 8 through the new CS3 Extended versions.
Experience I am an Adobe Certified Instructor for Adobe Photoshop and have been teaching the application to college students for the past 6 years.
Organizations Milwaukee Adobe User Group,
National Association of Photoshop Professionals,
C2 Graphics Productivity Solutions,
Publications Create Magazine
Adobe.com
Education/Credentials BA - Graphic Design
Adobe Certified Instructor - Photoshop and Illustrator
Expert: Kevin Stohlmeyer Date: 4/25/2008 Subject: Can't Save Non-
Question QUESTION: Hi, I have a new Mac and new Photoshop CS3. When I save JPEGs, they have a
.jpg file extension, but show up as a different "kind" of file, and have very
poor-quality previews. The overall file size also seems to be greatly reduced,
though I can't compare it to saving a regular jpg.
I need big, plain vanilla JPEGs that look good in preview. I can't find anything
about this in Help, and I've combed through the preferences and tried the few
things I could find to change there, with no luck. What am I doing wrong?
Many thanks in advance!
ANSWER: Hi Chris,
A jpg by any other name. The jpegs saved out by Photoshop are standard Jpegs. The difference is in the option window that comes up after you click save. To preserve the best quality, choose the maximum setting (12) which is the least amount of compression. This maintains a complete preview and top quality jpg. There is no other jpg format in PS.
One option you can use is the save for web option. Sounds odd but it gives you a jpg preview side by side with your original (2 up tab at the top). This way you can compare compression rates.
Thanks
Kevin
---------- FOLLOW-UP ----------
QUESTION: Thanks Kevin, but I'm afraid that's not the case. I am using the maximum
setting in the option window. The 19.5 tiff becomes a 432 KB jpeg. Have a
look!
I got this Photoshop software through the university where I teach, as part of
the Creative Suite 3. Do you think this could be the problem?
Jpgs always have compression, even at the highest setting, hence why they are preferred for web and e-mail usage. The version you have is a full version, there is no "limited" version for educators.
What are the specs for your file (color mode, size, resolution) and what is the destination for the file (web, print, etc.)?
Kevin
---------- FOLLOW-UP ----------
QUESTION: Hi again, & thanks for continuing this --
Good to know it's not the version I've got. This issue happened with other
files (photoshop files, say 10-15 MB) as well. This tiff is 19.5 MB, RGB color,
2296 x 2700 pixels, 7.653 x 9 inches, 300 pixels/inch.
I use jpegs for sharing a selection of artwork with people on CDs -- and I
think they often just look at thumbnails or previews. Also, I use smaller jpegs
for Email and my website. For prints (that I make myself) I've been using
photoshop files. The tiff file was prepared by someone else for a print
publisher (book cover). Hope all this contains a clue!
Thanks again Kevin,
Chris
Answer Chris,
While I appreciate the feedback, although negative, I felt I should explain your situation further.
It wasn't my knowledge that was limited, it is the process you are trying to achieve. When you have large files such as yours, and you are using the small preview that is automatically produced by the application, you have no control on the icon preview. If you are using this to produce an artwork CD, there is authoring software you can get that specifically handles this type of process.
I can direct you to the sites for these applications, but I was not sure if you want to invest the money in third party authoring software.
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