PNGOut is definitely better than OptiPNG most of the time: http://www.olegkikin.... | Hacker News

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		imaginenore on July 16, 2014 \| parent \| context \| favorite \| on: Mozilla Advances JPEG Encoding with Mozjpeg 2.0 PNGOut is definitely better than OptiPNG most of the time: http://www.olegkikin.com/png_optimizers/

jibsen on July 16, 2014 [–]

zopflipng (with -m switch) is close to or better than the best on those five images:

    1_zopflipng.png  8.466
    2_zopflipng.png 18.739
    3_zopflipng.png  8.012
    4_zopflipng.png 91.879
    5_zopflipng.png  1.117

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