Important File Types / Formats for Fireworks

PNG | Portable Network Graphics File

• Native file format for Fireworks
• Retains layers

JPEG | Joint Photographers Expert Group

• "Lossy" compression (0 - 100)
• Good for a image with a range of color tones
• Mainly used with photographic type images
• Flattened Image

jpg setting of: 0/10 (17K)	jpg setting of: 10/10 (59K)

GIF | Graphics Interchange Format (flattened image)

• Limited to 256 colors (lossless)
• Can Save transparent backgrounds
• Best for images with solid colors, such as buttons and text
• Flattened Image

gif setting: (2K)	jpg setting of: 3/10 (15K)

Mode

• RGB | Red, Green, Blue: Best for projection
• CMYK | Cyan, Magenta, Yellow, Black: Best for print
• Grayscale | Only shades of gray availalable