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Chapter 22. Save for Web and Image Optim... > File Format Optimization Settings

File Format Optimization Settings

Each of the five available file formats has its own options in the Settings area of Save for Web and in ImageReady's Optimize palette. There is considerable overlap between the Save for Web options used for GIF and PNG-8, in that each uses a Color Lookup Table and controls quality and appearance using dither and transparency. As a result, they are discussed together in this section.

GIF and PNG-8

As you can see in Figure 22.14, the GIF and PNG-8 options in Save for Web are nearly identical. The appropriate options are visible when you select GIF or PNG-8 as the file format from the pop-up menu or when you choose a saved set of GIF or PNG-8 settings in Save for Web or ImageReady.


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