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is a lossy optimizer.

pngnq quantizes PNG images down only a few colors. This can cause noticable color transitions on very plain areas, but greatly decreases the file size of the image. pngnq can quantize images down to only 2 colors, dither the output to add pseudo color, can sample more pixels for a more accurate quantization, and supports transparency.

Website 🔗️: pngnq.sourceforge.net

apt 📦️: pngnq

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