pngcrush

PNG compression utility.

• Compress a PNG file:

pngcrush {in.png} {out.png}

• Compress all PNGs and output them to the specified directory:

pngcrush -d {path/to/output} *.png

• Compress PNG file with all 114 available algorithms and pick the best result:

pngcrush -rem allb -brute -reduce {in.png} {out.png}

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