I could save my photos as BMPs like early digital cameras did but that doesn't make it practical or reasonable. My camera takes pictures as RAW or HEIF files. Why would I save my photos to a primarily lossy codec that's optimized and designed for distribution rather than preserving fidelity?
We used to do this with JPEG, in fact. And that's why many pictures on Facebook from pre-2018 or so all have a distinctive grainy look. It's artifacts on top of artifacts. Storage on phones isn't tight anymore, we don't need to store photos in a format meant to minimize bytes at the expense of quality.
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I could save my photos as BMPs like early digital cameras did but that doesn't make it practical or reasonable. My camera takes pictures as RAW or HEIF files. Why would I save my photos to a primarily lossy codec that's optimized and designed for distribution rather than preserving fidelity?
We used to do this with JPEG, in fact. And that's why many pictures on Facebook from pre-2018 or so all have a distinctive grainy look. It's artifacts on top of artifacts. Storage on phones isn't tight anymore, we don't need to store photos in a format meant to minimize bytes at the expense of quality.