Instagram Image Size Guide 2026: Post, Story, and Reels Dimensions

📰 Buffer Blog

Learn ideal image sizes for Instagram posts to ensure pixel-perfect content

beginner Published 17 Mar 2026

Action Steps

Check the ideal image sizes for Instagram posts
Use the recommended dimensions for Instagram Stories and Reels
Optimize images for different types of posts, such as feed posts, stories, and reels

Who Needs to Know This

Social media managers and marketers can benefit from this guide to optimize their Instagram content, while designers can use it to create visually appealing posts

Key Insight

💡 Using the right image sizes can improve the visual quality of Instagram content