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Editorial Team
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Asked: 2026-05-13T09:01:08+00:00

A while back I used a PNG optimisation service called (I think) smush it.

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A while back I used a PNG optimisation service called (I think) “smush it”. You fed it a weblink and it returned a zip of all the PNG images with their filesizes nicely, well, smushed…

I want to implement a similar optimisation feature as part of my website’s image upload process; does anyone know of a pre-existing library (PHP or Python preferably) that I can tap into for this? A brief Google has pointed me towards several command line style tools, but I’d rather not go down that route if possible.

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1 Answer

  1. Editorial Team

    Execute with PHP this command line tools

      pngcrush -rem gAMA -rem cHRM -rem iCCP -rem sRGB -brute -l 9 -max -reduce -m 0 -q IMAGE
  optipng -o7 -q pngout.png
  pngout pngout.png -q -y -k0 -s0
  advpng -z -4 pngout.png > /dev/null
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