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The pngquant PNG optimisation tool. It converts 24/32-bit PNG files to smaller, paletted PNG8 files with alpha transparency.
libPGF contains an implementation of the Progressive Graphics File (PGF). which is a new image file format, that is based on a discrete, fast wavelet transform with progressive coding features. PGF can be used for lossless and lossy compression.
PAFISA porwerful Java API for ANSI/NIST and WSQ formats please write me at m.h.shams[AT]gmail[DOT]com Wavelet Scalar Quantization (WSQ)PAFIS adds the power of WSQ (FBI's Wavelet Scalar Quantization) file format to your software projects using only a few lines of code. with this API you can ... [More]
We're just getting started here, so things may be a bit incomplete at the moment. Hang on, and we'll improve as we go.
ImageAlpha is a GUI for pngnq and pngquant. It allows you to easily generate paletted PNG images with full alpha channel and easily preview them against multiple backgrounds, to find optimum number of colors.
nQuant is a .net color quantizer that produces high quality 256 color 8 bit PNG images. nQuant often reduces the size of a 32 bit image to a size 3 times smaller than its original with quality surpassing what the standard C command line utilities produce. nQuant was developed as part of a larger ... [More]