Terms related to use: Bit mapped Format (.bmp) • Lossless compression algorithm discards no • Proprietary Microsoft Windows format to information. It looks for more efficient ways handle images to represent an image, while making no • Suitable for background images and compromises in accuracy. wallpapers—large file format • Lossy algorithms accept some degradation • Lossless —uncompressed in the image in order to achieve smaller file • Images in Microsoft Paint ® size. Scalable Vector Graphics (.svg) w* • Language for describing two-dimensional Graphics Interchange Format (.gif) w* graphics and graphical applications in • Images with a small number of colors (256 XML or 8 bit color) • A key component in web applications: • Good for images with few colors and large interactive web pages that look and act areas of uniform color, “Cartoons” like applications . • Transparency—allows you to make part of the • Can be rendered smoothly at any desired image transparent display size • Lossless only for images with 256 colors or less Software and file types: (default) Portable Network Graphics (.png) w* • Microsoft Paint • Successor to .gif supports true color (16 • .bmp , .jpg, .gif, .tiff, .png million colors) - “Ping” • Pixie • Lossless as .png… usually compressed to .jpg • .pxi , .pxt , .bmp, .jpg, .gif, .tiff, .png for publishing to the web . • ImageBlender • Images in Adobe Fireworks ® and many • .ibf, .bmp, .jpg, .gif, .tiff, .png, .pct, others—allows you to continue to edit layers • Photoshop Elements • .psd, .pdd , .bmp, .jpg, .gif, .tiff, Joint Photographic Experts Group (.jpg or .png .jpeg) w* • Photographs - most cameras save images as .jpg • Compressed file—Lossy • Good for web publication (smaller size) Misc Tagged Image File Format (.tiff) • Microsoft Word - need a .jpg quickly? • Saves 16-bit per color Copy an image or clipart into Word and • Lossless — can be compressed using LZW save as a web page. Word will compression automatically create image files for any • Photograph file standard in the printing clipart that is in the document and place it industry—not recommended for web in the created folder. • Used for most fax files
*w—web friendly Created by: Barb Gruber