GUIDE深度 · Deep dive
Common Social and Video Sizes
Platform pixels change, but ratios are stable: YouTube 16:9, TikTok/Reels/Shorts 9:16, Instagram 1:1 or 4:5, X 16:9, LinkedIn 1.91:1. Check the platform's latest docs before export.
YouTube: 1920x1080 (16:9).
TikTok/Reels: 1080x1920 (9:16).
Instagram: 1080x1080 or 1080x1350.
X: 1600x900; LinkedIn: 1200x627.
Leave room for UI overlays on vertical video.
Keep subtitles away from the bottom edge.
FAQ
Can one asset fit all platforms?
Different ratios crop; export a version per platform.
Is higher resolution always better?
Platforms recompress; recommended sizes are enough, and larger files just take longer.