Instagram Image Size Guide 2025: Post, Story, and Reels Dimensions
Learn the ideal image sizes for all types of Instagram posts so your content is always pixel-perfect.


A few months ago, I created an Instagram Reel that (I thought) looked great when I was making it. I uploaded, hit post, and tapped on it to fill the screen — only to find a sliver of the text got cut off at the edge.
It’s a tiny detail that can have a big impact, especially for brands and creators with a high bar for quality.
There’s a small kind of joy in seeing your post appear exactly the way you imagined it, and that comes from getting your Instagram image sizes exactly right. If you're pouring your energy into creating standout visuals for Instagram, you'll want them to look their absolute best when they go live. No strange cropping, no weird blur — just a clean, sharp visual that fits perfectly into its space.
Instagram gives you plenty of ways to show up — feed images, carousels, reels, and stories — each with its own ideal dimensions. When your visuals match Instagram’s recommendations, you give your posts the best chance of standing out and getting that all-important social media engagement.
Whatever type of photo or video you’re sharing, here’s how to make sure your Instagram posts always look ready for their close-up.