Every photo you find online or in print is a raster image. JPEG, GIF, and PNG are all raster image extensions. Raster images are constructed by a series of pixels, or individual blocks, to form an image. We've put together a useful outline to help you understand the difference between each file format, and when they are appropriate to use.įirst things first: What is the difference between vector and raster? Raster Image Files While the large variety of image formats may seem overwhelming, there is a method to the madness. Unless you're a graphic designer by training (like me), chances are you've never needed to understand things like what separates a TIF from a PDF or a PSD. Have you ever wondered when you should use a JPG instead of a PNG? Or maybe you're just trying to figure out which program opens an INDD.
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