Image File Formats List. The files are called raw because they haven t been processed and therefore can t be edited or printed yet. Image files are composed of digital data in one of these formats so that the data can be rasterized for use on a computer display or printer.

Tiff also preserves layers alpha transparency and other special features when saved from photoshop. When you snap a photo with your camera it s saved immediately in a raw file format. Though there are many image file formats and file extensions they all fall into one of two categories.
When to use tiff.
In the tables below the term bits per component refers to the number of bits used to represent each color component. Raster images are the more common of the two image types. Tiff tagged image file format is suitable for any type of bitmap pixel based images destined for print because this format uses that industry s cmyk color standard. For example an rgb color depth of 8 indicates that each of the red green and blue components are represented by an 8 bit value.