Photoshop JPEG file structure

Where, and with what index/marker, does Photoshop store figure captions in JPEG files?

Thank you. Can you tell me how to find it using a Hex Editor and the marker that identifies it? I need to move the caption in a lot of files from where it was placed by Microsoft Digital Image Library to where it wants to be for Photoshop. I plan to write a BASIC program to move it if I can key on the appropriate marker. Actually, I see the caption text in three different locations in the Photoshop Hex file, but I haven't figured out how it is controlled.

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I am suddenly unable to open my pictures in Adobe Photoshop. It gives the following message: The document "Tina-19.jpg" could not be opened. Photoshop cannot open files in the "Adobe Photoshop JPEG file" format. What does this mean? I have opened my phot

I am suddenly unable to open my pictures in Adobe Photoshop. It gives the following message: The document “Tina-19.jpg” could not be opened. Photoshop cannot open files in the “Adobe Photoshop JPEG file” format.
What does this mean? I have opened my photos in Adobe Photoshop for years and suddenly I get this message and can't open any of my pictures

JoeLib wrote:
You type way faster than me Gene.
Well, not necessarily in this case.
According to the time stamp, Gene posted his answer a bit over three hours before you did, Joe.
Gene's post: Dec 29, 2014 5:54 PM
Joe's post: Dec 29, 2014 8:57 PM

What happened to my "Photoshop JPEG file" format?

On my previous two computers -- a G5 running 10.4, a MacBookPro on 10.5, both using Photoshop CS3 -- I used to have two kinds of JPEG files. One was listed in the Finder as "JPEG file," and that opened in Preview; the other was "Photoshop JPEG file," which would open Photoshop.
On my new setup, a MacMini on 10.7 using Photoshop CS5, there are no Photoshop JPEG files, just plain JPEG files that open in Preview.
I need to get the two formats back, as the difference helped me determine which images I had worked on and aided in my photo workflow. I don't want to change all files to Open With Photoshop in Get Info, as that doesn't solve the problem.
Is this something in the Finder? Photoshop? Preferences? How do I get that functionality back? Thanks.

Filname extensions are already on. Also, I typically save most of my images as jpegs so -- for example -- I can send them off to labs, which usually don't accept straight Photoshop PSD files.
I guess what I need to know is whether the separate "Photoshop JPEG File" format has been removed completely from OS 10.7, or can it be restored. It would be a shame if it's gone, as it was a handy function.

Photoshop Jpeg Files

Hi. I've recently installed Photoshop CS4 Extended on my new Imac. I am a photographer and have saved a number of edited Jpeg images into my Pictures folder on my Mac in order to upload onto a Color Labs Site for printing. I have never had a problem uploading any images on my windows based laptop. All of my edited Jpeg Images are now saved as "Photoshop Jpeg Files" I am now unable to export any of these images as the files do not appear to be recognised when I attempt to open them. Additionally, I can't even import them into Lightroom 2 as it comes up as No photos to import. Please can somebody help....

Yes it sounds like somethings wrong with the jpg pictures- sure you really saved them as jpg and not just naming them as such by fault?
Secondly, I've experienced some windows based servers not be able to recognise jpg saved with a Mac-preview.
So you could try saving your files with no preview.
Torben.

Photoshop cannot open files in the "Adobe Photoshop JPEG file" format

Strange intermittent issue on Mac, 10.6, CS4. Anyone know what happens to standard image files that makes them so PS cannot open them?
Thanks
~AC

Check your file name closely. If you have illegal characters it could make them unreadable (dashes, dots, slash, etc.) Also, set OS to show extensions and make sure you have not lableled it xxxxx.jgg.jpg.

Cover Flow displays generic icon only for small JPEG files

I recently used the excellent CocoThumbX to strip off all the Adobe preview icons from my Photoshop-created images (a mixture of JPEG, TIFF, and PSD files). That neatly solved the low-res "fuzzy" Cover Flow thumbnail problem lots of users have complained about.
However, now I have a problem that I haven't seen addressed elsewhere. Lots of my JPEG files still appear as generic JPEG icons in Cover Flow. They are all Adobe Photoshop JPEG files, and they are all no larger than 150KB in size. There's nothing wrong with the files as Quick Look displays them without a hitch, and I can open them in Photoshop no problem.
Any idea how to get Cover Flow to render their thumbnails properly?
Resaving them from Photoshop fixes the problem, but I have thousands of such images and don't want to resave all of them even with a batch action if there's some other simple way of fixing this.
Message was edited by: Owen Linzmayer

I have the same problem except with ALL jpegs, not just small ones. Other file types (pdfs, eg) preview just fine in cover flow, and I am able to open all the jpgs by themselves in any program, they just don't render in cover flow.
I think this happened in conjunction with the upgrade to 10.5.1.
Any help would be most appreciated!

Iphoto says Unrecognizable format when importing a photoshop JPEG RGB

Hi there, I've tried several times to import my adobe photoshop jpeg files into iphoto. My goal here is to simply burn my jpegs on to a cd and to do that I'm trying to import them into iphoto to burn them. However, my adobe photoshop jpegs won't import. Other threads mention that the files should be RGB and I ensured that they were in photoshop but it still shows that my jpegs are unrecognizable formats. I feel like I'm ALMOST there and missing one piece to be able to import them successfully. Something else to mention is that I don't NEED them to be Adobe photoshop jpegs. I just want them to be normal jpegs. I feel like is what's preventing them from importing into iphoto. Any thoughts? Thanks for any help!

Homelessmd wrote:
I've tried your suggestion. It doesn't work. I can only access a modified Photoshop picture through finder and its in a "modified" folder by year. I've been trying all sorts of "tricks" and the only one that seems to work is to save the photoshop file to a separate folder within the "Pictures" folder, and then to import the file into iphoto.
That is correct - you must Never make any changes to the contents of the iPhoto library including saving photos to it - all photos MUST be imported into iPhoto
It's a frustrating additional step and for anyone that does multiple changes to a file in Photoshop, this can end up being a pain in the rear.
You can import the original photo to iPhoto and set PS as the editor for iPhoto - edit and save (not save as) and the edited photo will be properly returned to iPhoto
LN

Why am I being told that a JPEG file that I made changes to in Photoshop 6 (CS6) can't be saved? The message I get says that either the file is locked and I don't have permission to execute this or another program is using this file.

i recently purchased a 21.5 iMac with Yosemite (10.10.1) and was disappointed to discover that my CS6 programs are not functioning correctly. I am unable to use the "Save As" command when making changes to a JPEG file in Photoshop. The message I get says that either another program is using the file or it is locked and I don't have permission to execute that command. I'm experiencing a similar problem in Bridge when trying to move an unwanted file to the Trash. Again, I get a message telling me that i don't have permission to do this. Lastly, I'm unable to open any Camera Raw files. Any suggestions? I had no problems with the Mavericks OS on my old iMac and although it's much slower, I'm tempted to go back to using my old iMac. At this point, I feel as if I've just wasted $2300+ (tax included).

Back up all data before proceeding.
This procedure will unlock all your user files (not system files) and reset their ownership, permissions, and access controls to the default. If you've intentionally set special values for those attributes on any of your files, they will be reverted. In that case, either stop here, or be prepared to recreate the settings if necessary. Do so only after verifying that those settings didn't cause the problem. If none of this is meaningful to you, you don't need to worry about it, but you do need to follow the instructions below.
Step 1
If you have more than one user, and the one in question is not an administrator, then go to Step 2.
Triple-click anywhere in the following line on this page to select it:
sudo find ~ $TMPDIR.. -exec chflags -h nouchg,nouappnd,noschg,nosappnd {} + -exec chown -h $UID {} + -exec chmod +rw {} + -exec chmod -h -N {} + -type d -exec chmod -h +x {} + 2>&-
Copy the selected text to the Clipboard by pressing the key combination command-C.
Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
Paste into the Terminal window by pressing command-V. I've tested these instructions only with the Safari web browser. If you use another browser, you may have to press the return key after pasting.
You'll be prompted for your login password, which won't be displayed when you type it. Type carefully and then press return. You may get a one-time warning to be careful. If you don’t have a login password, you’ll need to set one before you can run the command. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
The command may take several minutes to run, depending on how many files you have. Wait for a new line ending in a dollar sign ($) to appear, then quit Terminal.
Step 2 (optional)
Take this step only if you have trouble with Step 1, if you prefer not to take it, or if it doesn't solve the problem.
Start up in Recovery mode. When the OS X Utilities screen appears, select
Utilities ▹ Terminal
from the menu bar. A Terminal window will open. In that window, type this:
resetp
Press the tab key. The partial command you typed will automatically be completed to this:
resetpassword
Press return. A Reset Password window will open. You’re not going to reset a password.
Select your startup volume ("Macintosh HD," unless you gave it a different name) if not already selected.
Select your username from the menu labeled Select the user account if not already selected.
Under Reset Home Directory Permissions and ACLs, click the Reset button.
Select
 ▹ Restart
from the menu bar.

Why isn't .jfif not listed in the JPEG file extensions (.jpg, .jpeg, .jpe) Photoshop Elements 12

Problem: Corrupt JEPG files.
Software: Adobe Photoshop Elements 12
Story: On my website I have the option to sell files as instant downloads. I upload JEPG 300dpi images of my artwork for people to purchase is a download. I have done this on Etsy for several years without a problem.
The problem began when I setup a website using Weebly, an online build your own website company. I upload the same files I have used in the past, but when I do a test purchase and download my file it is corrupt. I get an error message in Photoshop Elements that the file is corrupt or missing information. If I let Photoshop open the file, the file it is only half there or lines through the image.
I have been working with a Weebly tech to solve the problem. I sent him the file I wanted to upload. He opened the file on his computer and saved it. Then uploaded to my site, I downloaded it and the file was fine a perfectly clear 300 pdi JPEG file. We were confused. After a few more tests he mentioned he did not have Photoshop and was using Microsoft Paint (light bulb) to open and save the files. His files worked, mine did not.
So I tried opening my files in Paint and saving them in that JEPG format and they work. The only difference i can see between Paints JEPG save option and Photoshops Save Function is that Paint includes the .jfif extension.
Question: Should this make a difference? if so can I add the file extention to Photoshop's list of file types that I can save?
Thanks
Mark

Thank you I will check it out. I am not sure what information is attached to picture files, but the same file saved in Microsoft Paint works in my situation and the Photoshop file will not. The only difference is Paint supports.jfif and photoshop does not. I might want to go the other way jpg to jififs. or save with to jepg with software that supports jfifs.

Unable to open scanned Kaiser Baas jpeg files in Photoshop Elements 6

I have scanned photos and negatives using Kaiser Baas Photo & Negative scanner. I am unable to open the jpeg files produced using Photoshop Elements 6, any advice on how to?

I don't seem to have any trouble opening the file in pse 6 on windows xp.
I'd reset the pse 6 editor preferences and see if that makes a difference.
Press and hold Shift+Ctrl+Alt just after starting the launch of the pse 6 editor
Keeping holding down the keys until you get a dialog asking if you want to delete the photoshop elements settings file
Press Yes in that dialog

Setting Photoshop CC 2014 as my "Default Program" to open JPEG files in Windows 7

I just installed Photoshop CC 2014 on my Windows 7 computer. I had set Photoshop as my "Default Program" to open up JPEG files. Now whenever I double-click a JPEG file, Photoshop CC will launch instead of Photoshop CC 2014. I have noticed that the executable files for all versions of Photoshop are "Photoshop.exe" (no wonder Windows gets confused). If I changed the name of the executable file for Photoshop CC 2014 to something like "Photoshop2014.exe" then Windows will let me choose the program as my "Default Program" to open up a JPEG, however this makes it impossible for me to open up files in Lightroom. Lightroom will default back to Photoshop CC.
I have changed the name of the executable file for Photoshop CC 2014 back to "Photoshop.exe" and renamed all the executable files for my legacy versions of Photoshop. This still does not work.
Do I need to make some types of change in the registry?

This is from the post at this site: Re: Adobe CS6 file associations are all messed up
Just change the directory to the correct EXE for cc 2014 and you should be good.
Correct Answerby Curt Y on Jun 5, 2012 7:08 PM
Here is a registy fix for Win7 machines to the file association problem.
This from TinusHDCA user:
I installed Photoshop CS6, then found CS5 was still there. I thought, hey, I don't need CS5 anymore, so I uninstalled CS5. then I found out that Photoshop was no longer available in 'Open with' when right-clicking an image...
So I went into the Registry, HKEY_CLASSES_ROOT\Applications\Photoshop.exe\shell\open\command, and changed the (Default) from "C:\Program Files\Adobe\Adobe Photoshop CS5 (64 Bit)\Photoshop.exe" "%1" to "C:\Program Files\Adobe\Adobe Photoshop CS6 (64 Bit)\Photoshop.exe" "%1" (so changed CS5 to CS6) - and now I see 'Adobe Photoshop CS6' in my 'Open with' list when right-clicking an image...

Bridge opens JPEG files in Windows Photo Viewer not Photoshop

How do I tell Bridge to open my JPEG files in Photoshop and not Windows Photo Viewer? I see that Windows Photo Viewer is selected as the default in my preferences and I do not see Photoshop as an option. I do see COM Surrogate 6.1. I just upgraded from CS5 to CS6 yesterday and I am just noticing this issue. I never dealth with this problem with CS5. Any suggestions? Thank you all for the help.

If you deleted CS5 after installing CS6 you are one of the unfortunate that also fouled up the file associations.
The safest way to restore function is to uninstall CS6, run the Adobe script cleaner and reinstall.
There is a registry fix that I include as an option, but on vacation so can not find that references.
Some have had succes with running CCleaner, but registry cleaners can cause some problems of their own if the delete "good files".

Help, i am trying to print my JPEG file that i created in photoshop at a photo lab but it is coming out like an X-ray. I have printed these files before so i have no idea what i am doing wrong.

Help, i am trying to print my JPEG file that i created in photoshop at a photo lab but it is coming out like an X-ray. I have printed these files before so i have no idea what i am doing wrong.
Could it be something i have done in my settings?
or when i am saving the file to JPEG?

Basically you're approaching this the wrong way around. What you need is the extreme sections to be quieter, not louder. The problem with moving the lower end of the audio is that you'll move the noise floor too, and get what's generally referred to as a 'pumping' effect. So what you do is to use a compressor to tame the peaks, and leave the lower level sound alone. When you've done that, you amplify (or normalize to a level you can determine) the whole signal. So the noise floor will be higher, but constant and not pumping. 'Match Volume' is a completely different tool for setting the overall levels of different tracks so that they sound approximately the same - it doesn't even begin to do what you want.
If it's music you are treating, then I'd almost certainly use the multiband compressor, because you get less artefacts with this. You need to experiment with the threshold levels, and almost certainly not use a massive compression ratio - 3:1 or 4:1 should be sufficient (although it's hard to tell without actually hearing the audio). You can tell what it's doing at any given point because the downward meter indicates how hard it's working. In theory you can apply make-up gain with it as well, but personally I leave that until everything's treated and use the 'Normalize' tool to set an absolute max level.

Different DPI in IrfanView and Photoshop for same JPEG file

Hi everyone,
I am no Photoshop expert so please excuse me if I am missing something obvious. I have a JPEG file which shows Resolution=72 DPI in IrfanView (and in other applications such as ImageMagick Identify). But under Image | Image Size, Photoshop shows Resolution=300 DPI.
Any comments appreciated.
Thanks,
FD98

Sounds like Photoshop is honoring the metadata and irfanview is not.
Keep in mind in the image is for screen viewing only such as on the web, the ppi is irrelevant.
However if this image will be printed then the ppi will determine the print size.

Why is jpeg file size different in CS 5 and Photoshop CC?

If I open a jpeg file in both CS5 and Photoshop CC, and then "save" the files, the file from CC is much smaller than the file from CS5.
The size and compression ratios are the same, but the file size is different. (It is about 1/2 the size).

Bridge does not compress any files whatsoever. Bridge is not an image editor, it's nothing but a browser that hands the files to their respective applications. Bridge does not "open" or "save" files, it can't compress them in any shape or form.
What you are seeing is the difference between the opened, uncompressed file in RAM and the space the file occupies on disk once
Photoshop has saved and compressed it.
The Bridge cache has nothing to do with any of this.

Photoshop JPEG file structure

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