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Dominic Szablewski, @phoboslab — Wednesday, November 24th 2021 Lossless Image Compression in O(n) Time Introducing QOI — the Quite OK Image format. It losslessly compresses RGB and RGBA images to a similar size of PNG, while offering a 20x-50x speedup in compression and 3x-4x speedup in decompression. All single-threaded, no SIMD. It's also stupidly simple. tl;dr: 300 lines of C, single header,