Unverified50% confidenceFactExact time
不同社交平台对视频画幅有不同要求：YouTube要求16:9横版，TikTok和Instagram Reels需要9:16竖版，X偏好1:1方形，LinkedIn倾向带字幕的专业内容
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/17/2026
First Seen
Valid until: 11/15/2026
Sources
Related Claims
UnverifiedVIDEO AI ME 支持将视频发布或定时调度到15个社交媒体平台，覆盖TikTok、Instagram、YouTube、X、LinkedIn等73% similarUnverifiedYouTube re-encodes using VP9/AV1, and Twitter significantly compresses video bitrates.72% similarUnverifiedYouTube officially launched its Thumbnail Test & Compare feature in 2023, allowing creators to upload up to three different thumbnails for the same video.67% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/761970API
curl https://kongchang.com/api/v1/knowledge/claims/761970MCP
get_claim(id=761970)