[Clipart] reduce file size for png-files

[Karl Ove Hufthammer]

Måndag 20. mars 2006 01:07 skreiv Alan Horkan:

> Sounds like they might be using 8-bit PNG or a greater level of
> zlib compression which tends to produce significant space savings.
>  The reduced colourspace would in most cases have more than enough
> colours to display 99% of our images, the greater zlib compression
> is a trade-off (bandwidth versus user processing)

FYI: Recompression using optipng is completely lossless. It dosn't 
remove any colur information from the image.

-- 
Karl Ove Hufthammer