FLIF is a novel lossless image format which outperforms PNG, lossless WebP, lossless BPG and lossless JPEG2000 in terms of compression ratio. Even if the best image format was picked out of PNG, JPEG 2000, WebP or BPG for a given image, depending on the type of image (photograph, line art, etc), then FLIF still beats that by an average of 10% in our comparisons.
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