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The original was posted on /r/opensource by /u/ALonelyKobold on 2026-01-26 20:31:40+00:00.
Hi all,
I work in a library, and run Linux as my OS. I need to rotate a number of images (anywhere from a few dozen to a few hundred. I don’t know yet). ideally using the cli, but a gui is fine too. Here’s the catch, I need to be certain that I’m not adding in compression or otherwise messing with the data in any way other than rotating it, since this is for digital preservation purposes. What nix compatible tools are there for this purpose, and what can I do to verify image integrity is ensured. Normally my team would recommend Photoshop or Lightroom for this, but they aren’t penguin friendly, obviously.