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[Solved]: I did not find a tool for full analysis of my cam's jpg file so I just had a look at the jpg specification and took a hex editor. Looking for markers FFD8 and FFD9 plus some intuition to patch the jpg header in the exif section(s!!!) I was able to extract three sub-jpgs with different ...

I investigated also a bit, and found that there can be a full jpg as thumbnail in the exif part of the jpg. Usually this is much smaller size than the files I have recovered, but its a hint.
Having three different resolutions (one of them original resolution but lower quality) sounds nevertheless ...

Well, yes they have smaller size. I would like to understand why they have. I would expect shortened files or broken files, or even files with a little bigger size due to slack space of the last file system sector. But I am very curious how the files changed size/quality and and some of them even ...

cgrenier, first I'd like to thank you for this great piece of software, it is about to help me with 2 HDDs from my NAS, which badly crashed.
I am just about to recover jpg from one of the HDDs. PhotoRec found already some hundred of them. The files seem to be ok with regard to the jpg format. A ...