Created
November 25, 2010 06:05
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ImageMagick parameters which outdoes PunyPNG at compressing their own example png.
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| convert original_image.png +dither -deconstruct -layers optimize-transparency -matte -depth 7 \( -clone 0--1 -background none +append -colors 65536 -unique-colors -write mpr:cmap +delete \) -map mpr:cmap better_than_puny.png |
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This seems to be a lot of commands for handling animated gifs. -deconstruct -layers optimize-transparency -clone 0--1 +append is AFAIK only relevant for animated gifs. Reducing the colors always helps, but that is not lossless.