ELI5: In recent years, new formats like webp and jfif have started popping up. However, if I rename them to gif or jpeg, they still work. How can it be that renaming the extension doesn't ruin the image format? Why do they even exist then? Submitted by Luthemplaer t3_z4xi3p on November 26, 2022 at 4:04 AM in explainlikeimfive 41 comments 167
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