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How safe/compatible PNGs are?


javierdl
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IE 6 can't display alpha transparency at all, no matter what format. However, it will render GIF index transparency, while PNGs index transparency parts will just turn up grey.The advantage of PNGs is that they can have up to 32 bit colour information, while GIFs can only have 8 bit colours.

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Thanks a bunch Synook :)Thanks for confirming that I should go with GIFs. Not my preference to go for lesser formats, but as long as most will see them...JDL
If you don't need alpha transparency, it's very safe, and infact better, to use PNGs. If you need only binary transparency (i.e. completely transparent at one pixel, and transparency off to another), it's really best to make tests as to see which of the two formats will turn into a smaller file.
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