Sorry, it might not be the right forum....
I know that every time you save a jpg file, it loses some information thus worsening a little.
My computer got very slow (it is really full now), so today I bought an external hard disk and I'm moving most of my files (which are for the majority images).
My camera is a Canon Powershot A710IS and, as far as I know, saves only in jpg so all my images, unless I manipulate them (and then I save them as tiff) are jpg. I was just looking at all those files passing through my computer to the external drive (I'm so afraid to lose everything!!) that suddenly I thought that perhaps those files are worsening. Am I right? Do they get ruined not only when you save them but also when you move or copy them? So from card to computer and then to computer to external hard drive they have already ruined? And what about those I passed already on a cd and wanted now to move to the ex. drive? Shall I just forget it?
I feel quite upset now.....
