Every social media platform has its own image specs. Get them wrong and the visuals behind your social media content strategy show up blurry and cropped. This guide gives you the exact social media image sizes and post sizes for every major platform in 2026.

Your visual identity is often the first interaction a potential customer has with your brand. A strong visual strategy makes that first impression count and getting your dimensions right is where it starts.

The right tools make resizing images across platforms fast. Use Landscape, Sprout Social’s free image resizing tool, to resize a single image for all social media sizes at once.

Social media image sizes are the pixel dimensions, aspect ratios and file limits each platform uses to display profile photos, cover images and posts. Match them and your visuals stay sharp and uncropped.

Miss them and the platform makes the call for you. Wrong sizes signal to your audience that your brand doesn’t sweat the details. Here’s what happens:

Scheduling tools publish through platform APIs, which enforce stricter limits than the apps. Instagram’s API, for example, accepts feed images between 4:5 and 1.91:1 and nothing outside that range.

Data from our 2025 Content Benchmarks Report shows images account for 48% of all brand content on Facebook. Static images are still the workhorse format, so sizing them right protects most of your output and preserves your brand identity.

This cheat sheet gives you the essential social media image sizes for every major platform at a glance, with profile image, cover image and primary post image all in one place.

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