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File Preparation: Image File Types

With so many different file types out there, it can be difficult to know what you should be using in your publications. In this section, we will attempt to clarify what files should be used in what instances.

File Extensions

JEPG - commonly used for websites, jpeg files are normally at a low resolution of 72 dpi. These types of files are not recommended for use in your publications , because what you see on your screen is not what you will get on paper. An example of this file name is: example.jpg (or .jpeg in MAC)

GIF - this file type is also used for internet graphics and allows for transparency on screen as well as animation. Again, this file type is very low resolution and will not translate well to paper . An example of this file name is: example.gif

BMP - a bitmap file is commonly used in graphics such as your desktop or wallpaper. Once again these files tend to be very low resolution and are not recommended for printing . An example of this file name is: example.bmp

TIFF - can be a very high resolution image and is good for printing. Commonly tiff files are used for photographs and occasionally for line art. An example of this file name is: example.tiff (.TIFF on MAC)

EPS - an EPS file is ideal for line art and vector graphics and can be very high resolution . Many of the clip art images that we use are in this format. And example of this file name is: example.eps