Created
February 14, 2017 10:41
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Save nicdoye/552e08526b8e02de2e6a5d019664f47e to your computer and use it in GitHub Desktop.
Shrink a PNG file so you can make a custom emoji in Slack, using NetPBM
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| pngtopam -alphapam < filename.png | pamscale -xyfit 128 128 | pamtopng > filename-shrunk.png |
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