Raster vs Vector: Essential Printing Guide to Image File Formats
Every packaging designer and print-ready file submission eventually comes down to one question: raster or vector? Understanding the difference isn't just technical — it directly affects whether your logo stays sharp on a small hang tag, a large shipper box, or a billboard-sized display. Here's a practical breakdown of what sets these two image types apart, which file formats belong to each, and how to prepare your artwork for the best possible print results. What Are Raster Images? A raster image is built from a grid of tiny colored squares called pixels. Like a mosaic, the image is made up of a fixed number of pixels, measured in dots per inch (DPI) or pixels per inch (PPI). The more pixels per inch, the higher the image quality — and the larger the file size. The key limitation of raster images is that they are non-scalable. Enlarging a raster image beyond...
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