“Dear Digit, there are so many terms and technicalities associated with digital images, I’m lost. Do I need to know the difference between JPG and GIF, DPI and PPI, resizing and compressing, etc.? If so, how can I keep them straight?”
There are three categories of terms that are essential to producing, using, and sharing digital images: file type, file ‘quality’ and file size. Let’s take a closer look at each category.
Files types are identified by their extensions. If you are using or dealing with RAW (.raw) images, you will want to have a more nuanced understanding of file types than we can address in a brief article. For the other types, some general rules apply. The following table is a useful way to make sense of which specific uses each file type is designed for. Continue reading “Dear Digit: How do I make sense of the terms and technicalities associated with digital images?”