To this end I wrote a free, open source, program to address this issue for myself: Archiverify. In terms of what can be done about it, the best answer I can come up with is calculating hashes and keeping multiple copies of the photos. There are other reasons too, but I'd suggest asking on a more computer related stack if you want to go into more detail. JPEGs are probably more likely to show up corruption in an obvious way than a lot of other files types though, so you may notice it more (see comment on answer).įiles can be corrupted in many ways, (non SSD) hard drives can be put too close to a magnet, CDs and DVDs can gradually rot, and electrical interference and bugs in firmware or software can corrupt files in transit. Photo files aren't special in this regard, any file on a computer can get corrupted.
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