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Pngquant
Jul 20, 2023
Converts 32-bit RGBA PNGs into 8-bit RGBA-palette PNGs
pngquant is a command-line utility to quantize and dither 32-bit RGBA PNGs down to 8-bit or smaller RGBA-palette PNGs, usually with a significant reduction in file size 40-70 smaller than 24-bit PNGs.
This unique type of PNG supports full alpha transparency and is compatible with all modern web browsers, and has better fallback in IE6 than 24-bit PNGs.
Features
- High-quality palette generation using modernized Median Cut algorithm.
- Unique dithering algorithm that adds less noise to images than the standard Floyd-Steinberg.
- Easy to integrate with shell scripts, GUIs and server-side software.
- Fast mode for processing large numbers of images.
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