Iphoto increases jpg file size

Hi,
I've first noticed that iPhoto is re saving the AutoRotated images when importing them. I've realized this after seeing a lot of pictures in the Modified folder, when I've actually haven't done any editing on them...
But, more importantly, the JPG file size of the rotated image increased considerably. I've looked at the metadata with the exiftool and found that iPhoto is saving the JPG using the Big-endian byte order. I suspect this is the cause of the increased file size.
A concrete example:
mifoto0342.JPG 2986371
mifoto0342_iphoto.jpg 3765579
- Pancho

All other things being equal, the endianness of the EXIF will not affect the file size.
There must be something else that is changing in the file. Either the image is being recompressed (god forbid), or lots of metadata is being added (more likely).
- Phil Harvey

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~~~~~~~~~~~~
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Message was edited by: Ian R. Brown

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Iphoto increases jpg file size

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