PDF (adobe.com)

Choose a file type

Customize the optimization by selecting a specific file type from the Export File Format pop-up menu in the Optimize panel and then setting format-specific options, such as color depth, dither, and quality. You can save the settings as a new preset.

GIF
Graphics Interchange Format (GIF) is a popular web graphic format that is ideal for cartoons, logos, images with transparent areas, and animations. Images with areas of solid color compress best when exported as GIF files. GIF files contain a maximum of 256 colors.

JPEG
Developed by the Joint Photographic Experts Group specifically for photographic or high-color images. JPEG supports millions of colors (24-bit). The JPEG format is best for scanned photographs, images using textures, images with gradient color transitions, and any images that require more than 256 colors.

PNG
Portable Network Graphic (PNG) is a versatile web graphic format that can support up to 32-bit color, can contain transparency or an alpha channel, and can be progressive. However, not all web browsers can view PNG images. Although PNG is the native file format for Fireworks, Fireworks PNG files contain additional application-specific information that is not stored in an exported PNG file or in files created in other applications.

WBMP
Wireless Bitmap (WBMP) is a graphic format created for mobile computing devices such as cell phones and PDAs. This format is used on Wireless Application Protocol (WAP) pages. Because WBMP is a 1-bit format, only two colors are visible: black and white.

TIFF
Tagged Image File Format (TIFF) is a graphic format used for storing bitmap images. TIFF files are most commonly used in print publishing. Many multimedia applications also accept imported TIFF files.

BMP
The Microsoft Windows graphic file format. Many applications can import BMP images.

PICT
Developed by Apple Computer and most commonly used on Macintosh operating systems. Most Mac applications are capable of importing PICT images.