How do I resize a flat vector icon so that it preserves hard edges in Photoshop (CS4)

Posted by Adam Singer on Stack Overflow See other posts from Stack Overflow or by Adam Singer
Published on 2010-06-17T23:58:17Z Indexed on 2010/06/18 0:03 UTC
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Filed under:

vector

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Icons

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photoshop

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cs4

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nonprogramming

I recently purchased Drew Wilson's Pictos icon library. It is a library of flat, monochromatic icons for use on the web and elsewhere. The only issue is: they're vectors. I know my way around Illustrator a little bit, but ultimately I want to import these icons into Photoshop and resize to various dimensions.

The problem I'm having: when I import an icon and resize it to, say, 20x20 pixels, I notice that there is a fair bit of aliasing around the edges of the icon. I'm sure there is some magic number where the edges of these icons will remain crisp, but I can't find any option or setting that will allow me to size these icons properly.

Is there a way in Photoshop to snap these icons to the closest size that removes or minimizes the aliasing?

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