Photoshop Obviously, Photoshop lets you do anything. But in the case of creating icons quickly and simply with very few unnecessary steps, Iconion still wins out. In Photoshop, you would first need to design the icon from scratch, whereas Iconion icon converter gives you a library of icons to work with. If you want to add a shadow to the glyph, this can be much more involved in Photoshop than in Iconion.
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