FILE FORMATS & USAGE (Corporate Division) Vector Logos - .ai, .eps and .pdf Raster Logos - .jpg and .png Vector logos are scaleable images best used for print Raster logos are created by a series of pixels, or tiny applications. Images that need resizing, down to the size of squares that form the logo or image. Photographs and a penny or as large as a skyscraper, vector images remain images online are popular examples of raster images. JPGs visually crisp. AI, EPS, and PDF files are all vector files. and PNGs are raster image file formats and should never Note: A raster file that is saved as a vector file retains be increased in size from their original size. Doing so will its raster properties and should not be resized. cause these logos to appear blurry and “pixelated.” AI JPG (or JPEG) AI files are reliable file formats for print projects. AIs are JPGs are a common type of raster file found across the web and created by Adobe Illustrator, a preferred program of graphic as art placed into other documents. High resolution JPGs can designers. As a vector file, AIs are easy to manipulate, remain be used in print applications as long as they are not scaled up. crisp, and are preferred to retain the integrity of logos. Paying attention to the resolution of a JPG is essential if they are going to printed. However, JPGs used on the web can be low EPS resolution and still retain their image quality. Plus, this type of file EPS files are similar to AIs, except they are a universal file format will help to keep final file size lower than placing a vector image. (much like PDFs). Many programs can save and use EPS files. PNG PDF PNGs are great for web pages, but are not suitable for PDFs are the most universal file type. They can be viewed print applications. PNGs can be saved with a transparent from any application, on any computer. As long as a PDF is background, meaning they won’t be surrounded by a white saved from a vector file, it will retain it’s vector capabilities. box, and thus, can be placed on other colors. JPGs must If a PDF is saved from a raster file, it will remain raster. have some type of background, if even just white. This file format is a great way to share a printable file. 18