What is the best size for Instagram posts?

For square posts, use 1080x1080 pixels (1:1). For portrait/vertical posts, use 1080x1350 pixels (4:5) to maximize screen real estate.

Does resizing affect quality?

Downscaling (making smaller) usually retains quality. Upscaling (making significantly larger) will cause pixelation unless you use AI enhancement tools.

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Social Media Size Cheat Sheet (2024)

Instagram

Post & Stories

1080 x 1080 (Square)

1080 x 1350 (Portrait)

1080 x 1920 (Story)

Professional

1200 x 627 (Link Post)

1080 x 1080 (Square)

1584 x 396 (Cover)

Twitter / X

Timeline

1600 x 900 (Recommended)

1500 x 500 (Header)

Common Aspect Ratios

16:9

YouTube / TV

1:1

Instagram / Profile

4:3

Classic Photo

9:16

TikTok / Stories

Mobile Optimization

Over 80% of social media usage is on mobile.

Always prefer vertical (4:5) over square (1:1) to take up more screen space.
Ensure text is large enough to read on small screens.
Keep important elements centered.

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