guetzli
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Bad action on PNG transparent color, size increase 290K to 430K.
- Bad action on PNG transparent color::
PNG file has transparent will be changed to All black. You can add choose option on default white or indicate transparent color option.
- Default 95% compression , size increase 290K to 430K. (pix size : 1170x789 image) And Q to 85% size decrease 290K to 200K.
First thing is add transparent color options and default to white.
+1, at least transparent png's should be flattened with white background, other options would just be a plus, but white would be a great first step.