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Social Media Cheat Sheet: 2026 Image Dimension Guide

The only guide you need for Instagram, YouTube, and LinkedIn aspect ratios. Perfect your profile presence instantly.

4 min
April 2026

Consistency is Key

Social platforms are notorious for aggressive compression. The secret to a sharp profile isn't just resolution—it's providing the exact aspect ratio the platform expects to avoid auto-cropping.

Instagram Feed1080 x 1350 px (4:5 Ratio)
Instagram Stories1080 x 1920 px (9:16 Ratio)
LinkedIn Post1200 x 627 px
YouTube Thumbnail1280 x 720 px

The 3x3 Grid Trend

Many creators now use "Grid Slicing" to turn one panoramic photo into multiple tiles on their profile. This creates a high-impact visual first impression for new visitors.

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Slice Your Photos

Turn one image into a viral Instagram 3x3 grid.