今天下载Google的一张图,截了里面约1/100的面积,另存为PNG,结果尺寸为40K,比原来的整张图还大3倍,惊讶不已。用pngcrush后可压缩到1/10大小。好东西!
http://pmt.sourceforge.net/pngcrush/
怎样压缩PNG图片
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