3 ms·

Or the command line util pngcrush

• LeoPanthera 9y ago
  pngcrush is fairly old. And terribly unoptimized. If you want a command line solution, I recommend optipng (which does what pngcrush does, but better), and sending the result through advdef, which improves the compression even further. ...but really. ImageOptim is super awesome and zero-effort.
  • derefr 9y ago
    Super awesome yes, zero-effort no—just try to make it into part of an CI/CD asset build pipeline ;) But really, why isn't ImageOptim itself available in command-line form?
    • dabockster 9y ago
      IIRC, ImageOptim is a front end for a bunch of CLI image compression tools. So, in theory, you could roll your own for a CI system if you figured out all the arguments that ImageOptim was passing to those tools.
      • joombaga 9y ago
        This looks promising: > Automates ImageOptim, ImageAlpha, and JPEGmini for Mac to make batch optimisation of images part of your automated build process. https://jamiemason.github.io/ImageOptim-CLI/ https://jamiemason.github.io/ImageOptim-CLI/
        • tokenizerrr 9y ago
          > automated build process > Mac Why would anyone run a CI server on a Mac?
          • hboon 9y ago
            You need to if your product is a macOS or iOS/watchOS/tvOS app.
          • joombaga 9y ago
            Perhaps it's just their preferred platform. If it weren't for the expense I'd probably prefer it over Windows at least. At any rate, the readme does link to this article[1] if macOS isn't your thang. [1] https://addyosmani.com/blog/image-optimization-tools/ https://addyosmani.com/blog/image-optimization-tools/