pngreduce script uses imagemagick and pngquant
pngreduce used to reduce size of PNG files
pngreduce 
pngreduce Uses python3. TK and graphicsmagick --
pngreduce reducing number of colors to lower file size of PNG.
pngreduce 
pngreduce 
pngreduce 
pngreduce 
pngreduce 
pngreduce Written and Packaged by Paul Sherman for Absolute