How to convert Mac JPEG to PC JPEG

omarBMX

Member
Oct 29, 2001
67
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I scanned something on a Mac machine and it saved as a jpeg on the mac machine, then I emailed it to myself so I could put it on my home PC, but the saved image saved as a .dat file instead of a .jpg, i even tried renameing the .dat file to .jpg and .jpeg but that didn't work so I'm guessing the file needs to be converted. What to do?


Thanks for your help, Omar
 

notfred

Lifer
Feb 12, 2001
38,241
4
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th emacintosh file system saves files uing two "forks" the "data fork" and the "resource fork". The data fork is exactly the same as a jpeg saved on a PC, you can jsut discard the resource fork (it keeps track of things like the program used to create the file).

If you saved the file as something like "mypicture" the macintosh will not automatically add ".jpg" to the end of the filename (since that datya is saved in the resource fork) so you will have to rename the file from "mypicture" to "mypicture.jpg", and it should work normally. You can just delete the .dat files.
 

omarBMX

Member
Oct 29, 2001
67
0
0
I tried renaming the file to .jpg and .jpeg, it didn't work. On the mac, it saved the scan as just the name 'merc1', macs dont use file extensions. The file was definitely a JPEG file, even the icon said JPEG on it. However once I emailed the file to my PC, it saved it as merc1.dat

In my UNIX based email program, it describes the attachment as "Application/X-MACBINARY" so im guessing its formatted for Macs? I need to convert this file ASAP please help.