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LeoPanthera·

You can probably shrink your icon down (losslessly) by dropping it into ImageOptim. https://imageoptim.com/mac

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I find Optimage has better lossless compression. I never regretted paying for the full version. https://getoptimage.com

Or the command line util pngcrush

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.

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?

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.

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/

> automated build process

> Mac

Why would anyone run a CI server on a Mac?

You need to if your product is a macOS or iOS/watchOS/tvOS app.

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/

Not OP, but thanks for the link to that app. It's quite amazing.

Yes, the size is after optimization (although I suspect iconutil recompresses it) :-) It's just that there are 10 images inside, from 1024x1024 to 16x16.

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