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How to create 8-bit greyscale PNG on Mac?

‎09-07-2018 11:34

‎09-07-2018 11:34

There's pretty cool ability to color greayscale images.

https://dev.fitbit.com/build/guides/user-interface/css/#image-grayscale-magic-

However, I couldn't find the way to create such images on MacOS. Any suggestions?

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‎09-07-2018 14:35

‎09-07-2018 14:35

You can instal ImageMagick on MacOS, then use that to convert the images.

 

convert original.png -colorspace gray final.png
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