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Sign into your accountVector Images: What are they and why do you need to use them?
May 24 2017
When you build your website or are creating a billboard advertisement, designers will request vector images. But what is a vector image, and why do we want one?
Designers prefer working with vector images because vectors are extremely versatile and able to be resized. In other words, vector images will allow your logo, headshots and advertisements look good no matter what size they are!
But what exactly is a vector image?
A vector image is a file that uses coordinates to define the size and position of points, lines, curves and shapes to create an image. This means that no matter how the image is resized (whether it’s a small logo on a business card, or a large one on a billboard), it always looks really clear and crisp. The most popular vector file formats are AI (Adobe Illustator format), EPS (Encapsulated Postscript), and SVG (Scalable Vector Graphic) which can be used on the web.
This differs from a raster image (also known as a “bitmap” or “flattened” image), where each pixel has a specific defined color value. The biggest limitation of a flattened image is that it can’t be made larger than the original size. Typical raster file formats are JPG, GIF, PNG, and BMP.