What does TIFF format mean?

.TIF stands for Tagged Image File Format. It is a file format for graphics for Macintosh and Personal Computer (PC) systems. Mosaic also supports .TIF format. .TIF is developed by Microsoft and Albus. The purpose of developing the file format is to store high-resolution images in color, gray-scale and bitmap mode. It is a platform independent file format. You can either create .TIF images in PC and view in Macintosh or you can reverse the process. It was mainly developed for scanning purpose, because in applications high-resolution scanned images are required.

What does PNG format mean?

The file format .PNG stands for Portable Network Graphics. It is an approved file format by the World Wide Web Consortium as an

alternative to GIF files. Since GIF files need a patented data compression algorithm called LZW, it adds an extra expense. Thus .png is promoted by the WWW as it is license free. Although initially .png was not particularly developed for the web but it really fulfills the purpose. It has more compression capability. The file size is much smaller than the GIF files. In .png files you get 2D interlacing and most importantly storing capability of text attached with the image making it much easier for the search engines.

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