Software to repair JPEG marker type corruption ???

I have a couple of corrupted JPEG files and I am unable to open them due to 'invalid JPEG marker type'.
Is there an software for the Mac to fix that ?
Thanks, Tom
iMac G5 2.0/1.5GB/250 GB Mac OS X (10.4.3)

Hi, Tom.
This Google Search turned up two suggestions:
1. Be sure the file has extension .jpg or .jpeg
2. Try opening the file in Graphic Converter, then performing a Save As. For Graphic Converter, click here.
There is no software that will fix corrupted files since there is no way of knowing what the file contained before it was corrupted.
If these files have been on your computer for some time, this is why one should implement and use a comprehensive "Backup and Recovery" solution.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

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How do I fix "Could not complete your request because an unknown or invalid JPEG marker type is found"?

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That's a pretty good indication that the data inside the files is corrupted.
You *might* be able to get some of the image back by opening it in different tools that can open JPEGs. But very likely none will be able to recover all the image data perfectly.
Check Irfan View as a viewer with some resiliency for opening corrupted files.
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Either you have the wrong file extension on the files, or your files are corrupt and won't be readable.

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The error is "Could not complete your request because a JPEG marker segment length is too short (the file may be truncated to incomplete).
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A jpeg marker segment length is too short

While imaging with my Canon T1i last night with my astro club I took probably 75 or 80 pics. Halfway through the session, my battery low indicator came on, so I changed the battery but may not have turned off the camera....I can't remember.....as I continued to shoot and review the images, everything looked and worked fine. When I returned home and got up this a.m. to review the pics, the last half could not be be opened. I usually insert my SD card in my laptop to review first before I transfer them over. I kept getting this error on the last half of the images I took :" a jpeg marker segment length is too short. The file may be truncated or incomplete." Anybody seen this or have any experience with this? Is there any way to recover and otherwise save these images? Any advice or help would be greatly appreciated. By not turning the camera off while changing batteries, could that be the reason for the error message? Thanks, Gary
Message was edited by: AstroLabsIdaho

It could be any one of a number of things such as the files being corrupted as the camera was writing them to the card, or a faulty card, a faulty USB connection or cable, etc.
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An unknown or invalid jpeg marker is found

"an unknown or invalid jpeg marker is found"
jpegs being corrupted when copied
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You are correct in that this particular message means your files are hosed.
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Software to repair JPEG marker type corruption ???

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