Set the matte color to the color of your webpage or email background. This setting will use to smooth out edges if placed on a background that is the same color as the matte. Matte: Sets the background color that the transparency dithering options.However, to smooth out the edges of your GIF, Photoshop allows you to select a Transparency Dithering option that will simulate smooth edges using the matte color box. Transparency: GIFs in Photoshop support alpha channels, but only binary, meaning that the pixel is either fully transparent or fully opaque.The more dithering your image has, the smaller your file size will be. You can select a few different dithering options from this menu and set the dither percentage. Dithering: Dithering is a fancy word used to describe colored noise in your image.The more colors you, use the greater the file size. Colors: The number of colors used in your final GIF.Adaptive tends to be smoother than selective. These settings will decide how your colors are chosen for your specific GIF.
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Selective to Adaptive: This menu relates to your reduction settings.I recommend using as few colors as possible to reduce the file size. One of the things that makes Photoshop so great is it’s ability to give you an estimated file size in the lower left hand corner of the frame.įrom the preset menu at the top you can select a number of GIF presets based on the number of colors and noise in your image. Now that you’re inside the Save for Web menu it’s time to adjust some of the settings.