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Can't you achieve the same results with ImageMagick? For example, `mogrify -format png8 *.png` converts all png images in the current directory to indexed ver
by cs702 14y ago
Can't you achieve the same results with ImageMagick? For example, `mogrify -format png8 *.png` converts all png images in the current directory to indexed versions.
Moreover, ImageMagick itself recommends a variety of more advanced lossless and lossy png compression utilites: http://www.imagemagick.org/Usage/formats/#png_non-im http://www.imagemagick.org/Usage/formats/#png_non-im
Then I opened the original panda PNG with GIMP, clicked on Image -> Mode -> Indexed -> Optimized palete -> 255 colors, and obtained an even smaller file size.
What's so special about this?
- pornel 14y agoYou can generate the same image format with ImageMagick, Fireworks, pngnq and pngquant (the last one seems to be powering the site). The difference is in quality of quantization. The poorer the algorithm, the more banding artifacts or dithering noise you'll get. Usually less optimal quantization also gives worse quality/filesize ratio (since palette entries are "spent" on less noticeable areas of the image).
- cs702 14y agoYou can generate the same image format with ImageMagick, Fireworks, pngnq and pngquant (the last one seems to be powering the site) Exactly: I don't see what's special about tinyPNG.
- mixmastamyk 14y agoLooks like it just makes the process accessible to the layman.
- cs702 14y agoMost laypeople don't even know what a PNG is...