Why do my photo file size increases upon export?!?!

This is driving me nuts. I have Aperture 1.5.2 referencing an iPhoto library. When I look at the metadata toolset I can see each photo's file size. I have all my photos already resized to fit in an 800x800px box. When I export through Aperture using "export version jpeg original" I get an increased file size. When I export using the master version I don't. I went through and added iptc caption data that only seems to export with the version not the master. I can't believe a line of txt adds so noticeably to the file size. If I need to export my photos with the iptc caption data and want to retain my original file sizes how should I go about it?

Thanks,
Michael

MacBook Pro 15in/Mac Mini, Mac OS X (10.5.2), 1.83GHz 2GB RAM/1.83GHz 1GB RAM

Posted on Mar 8, 2008 11:30 AM

16 replies

mblatchford Author

Level 1

5 points

Mar 9, 2008 1:13 PM in response to steebow

I realize this was in response to Chuck, however it seems to me that I won't necessarily solve all the variables in the increased file sizes. So rather than beat this topic to death, maybe I should focus on my reason for exporting these a second time. I want to add IPTC caption info to a certain set of photos. Aperture does this easily with the Metadata table, however to export a version nets me inflated files. Is there a better way to add IPTC data to my files and avoid any further JPEG compression/re-compression issues?

-Michael

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Why do my photo file size increases upon export?!?!

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