I want a program that can compress images without losing the original data, but rearranges it into an archive so you have to extract it, like zip or rar. Not for just for the sake of doing so of course, otherwise I'd just use 7zip. One that actually does it in a way that compresses them more effectively than just typical lossless.

  • Not exactly what I was looking or thinking of, but I forgot about JPEG XL, which has significantly better lossy and lossless compression than any other format. Good enough for my purposes. – Shidouuu May 25 at 23:59

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