Instagram Image Sizes & Dimensions For 2021

Instagram has come a long way from just posting square images onto the feed. There are now lots of different ways to post on Instagram from Stories to IGTV to Reels and more.

Each of these different types of Instagram posts requires a different sized image or video depending on whether they are fitting on to the feed or filling the full screen, such as a Live video, IGTV, Reels, etc.