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» Home » Web Design GIF
Images: Web Files and More? Because GIFs files are small and can be easily displayed on different computer platforms, the use of GIFs has become very popular on the Web. GIFs can display between two and 256 ( 8-bit, index color) colors and a designer can rework a GIF's color palette to use as few as possible, thus reducing the image's file size. Browsers like Netscape Navigator and Internet Explorer can display two graphic image formatted images. GIF is one of them and JPEG is the other. GIFs, however, are of little use in the world of professional printing. A GIF can be downloaded from a web page and can be printed on a laser or inkjet printer. The image's print will be blurry and full of dithered pixels. The image will look even worse in a professionally printed document. The file will probably be in 72dpi resolution which is sufficient for on-screen viewing but not for printing. If the GIF file were in higher resolution, a designer still wouldn't want to use it because GIFs, by definition, are in index color mode. The bottom line is that if a designer needs to use an image for professional
printing and for the Web, I would suggest having it scanned as a high
resolution image (a 300dpi, TIFF
CMYK file, for example) and then make a copy of the file to reformat to
a low resolution (72dpi, GIF index color or JPEG RGB file) for the Web. |
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IF
(Graphical Interchange Format) files are graphic images that can be displayed
on any computer. The online-service provider CompuServe first developed
this format for the purpose of transferring graphics via phone lines to
their subscribers. (CompuServe, for those who don't know, is a proprietary
online-service in the same vein as America Online who bought the company
in 1998.)