Not as drastic as the dithering in the linked post, but if you work with png files, pngquant is worth a look. It's lossy, but the image quality is still quite

Not as drastic as the dithering in the linked post, but if you work with png files, pngquant is worth a look. It's lossy, but the image quality is still quite good. https://pngquant.org/ https://pngquant.org/ Also, better to compile from source. There are os packages, but they tend to be older versions of pngquant that have various issues.