Social Media Post Size Guide & Resizer

Social media platforms update their image requirements regularly, and using the wrong size leads to cropped visuals, blurry images, and wasted screen real estate. This guide covers the exact pixel dimensions and aspect ratios for every major platform in 2026.

Instagram

• Post (square): 1080 × 1080 px — 1:1 aspect ratio
• Portrait post: 1080 × 1350 px — 4:5 (takes up more feed space)
• Story / Reels: 1080 × 1920 px — 9:16 full screen

Facebook

• Post: 1200 × 630 px — 1.91:1 (also used for link previews)
• Cover photo: 820 × 312 px — 2.63:1

Twitter / X

• Post image: 1600 × 900 px — 16:9
• Header: 1500 × 500 px — 3:1

LinkedIn

• Post: 1200 × 627 px — 1.91:1
• Banner: 1584 × 396 px — 4:1

YouTube

• Thumbnail: 1280 × 720 px — 16:9

TikTok

• Video/Image: 1080 × 1920 px — 9:16 full screen

Pinterest

• Pin: 1000 × 1500 px — 2:3 (vertical)

WhatsApp

• Status: 1080 × 1920 px — 9:16 full screen

Rather than manually resizing for each platform, use the resizer above to generate all 13 sizes from a single image. Smart crop fills each aspect ratio perfectly, while fit mode preserves your entire image with an elegant blurred background.