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I have a 16x16 PNG that I want to use for my favicon. It works fine in modern browsers, but I need a favicon.ico file for older ones. The problem is that either the ICO format doesn't support semi-transaprency, which my favicon uses, or the converters I've found online don't support it.

Which is it? If the format supports it, how can I convert a PNG to an ICO with semi-transparency?

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closed as too broad by Zistoloen, John Conde Oct 31 '13 at 11:06

There are either too many possible answers, or good answers would be too long for this format. Please add details to narrow the answer set or to isolate an issue that can be answered in a few paragraphs.If this question can be reworded to fit the rules in the help center, please edit the question.

up vote 0 down vote accepted

Here's a website I found using photoshop and a website to do it.

Here's another website I found that deals with the Windows ICO plugin for Photoshop - located here.

Warning: I have NOT tested that file download for exclusion of viruses - download at your own risk.

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If Christopher's links don't help, simply try changing the file extension from .PNG to .ICO - that's worked for me in the past.

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With transparent .ico's too? – Christopher Feb 13 '11 at 13:04
Honestly - I can't remember, and I don't have anything handy to test... – Mike Hudson Feb 13 '11 at 22:02

For handling image formats, I've found irfanview to be the best (and free). See: http://www.irfanview.com/

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