How to Export Logo Without Background
Your company's creative director is peering over your shoulder at your newest logo design. He declares it to be the best the company has ever had and wants to put it on magazine articles, boxes, stationary and business cards. The only problem is all of these applications require a different background than the one that is currently behind your design. To prepare the logo for each of these applications, you must export it with a transparent background. To do this, you must enable the project's alpha layers, which contain the image's transparency information.
Instructions
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1
Make the background layers invisible. In many programs you accomplish this by clicking the visibility icon next to each layer.
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2
Check the Channels palette to make sure that your image has an alpha channel. If it does not, add one. For example, in Photoshop, you can create a new channel, then paint the transparent sections of your image black. Photoshop will save this as alpha information.
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3
Export the image with a file extension of .gif, .pict, .pixar, .png, .psd, .tiff, .tga, or .pdf 1.4 or later. These are the only commonly used file formats that support transparency.