Complete Social Media Image Dimensions Cheat Sheet (2026)
4 min read• Verified for 2026
Social algorithms frequently change mobile app layouts, resulting in awkward header chops or blurry graphics. Here is the verified dimension matrix to guarantee crystal-clear brand presentation across all major platforms.
- • Square Post: 1080 × 1080 px (1:1 aspect ratio)
- • Portrait Post (Recommended): 1080 × 1350 px (4:5 aspect ratio)
- • Story & Reel: 1080 × 1920 px (9:16 aspect ratio)
- • Profile Photo: 320 × 320 px (1:1 circular crop)
YouTube
- • Video Thumbnail: 1280 × 720 px (16:9 ratio, < 2MB)
- • Channel Banner: 2560 × 1440 px (Safe zone: 1232 × 338 px)
- • Profile Icon: 800 × 800 px
X (formerly Twitter)
- • Standard In-Feed Graphic: 1600 × 900 px (16:9 ratio)
- • Header Banner: 1500 × 500 px (3:1 aspect ratio)
- • Summary Card with Large Image: 1200 × 675 px
- • Personal Banner: 1584 × 396 px
- • Company Page Cover: 1128 × 191 px
- • Feed Post Graphic: 1200 × 627 px (Landscape) or 1080 × 1080 px (Square)