But, for those of us who aren’t already certified file wizards, all the options and acronyms might start blending together. Can’t remember the difference between an EPS and PNG file off the top of your head? We’ve got you covered.

For quick reference, we created The Ultimate Image Files Cheat Sheet. Tack this up by your desk, around the office, on the fridge, in the fridge, under your pillow—we don’t make the rules.