npm

pngnq

Quantizes PNG images to reduce file size while preserving quality

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Source

About

Tool for optimizing PNG images

Commands

pngnq

Examples

Optimize a PNG image with default settings$ pngnq input.png
Quantize PNG to 256 colors and save with custom output$ pngnq -n 256 -o output.png input.png
Process multiple PNG files in a directory$ pngnq *.png