Why Aspect Ratio Matters
Uploading videos with incorrect dimensions causes platforms to crop out key visual details or insert ugly black borders around your content. Use this up-to-date 2026 technical guide for flawless video publishing.
Platform Dimensions Reference Guide
1. TikTok
- Aspect Ratio: 9:16 Vertical
- Recommended Resolution: 1080 x 1920 pixels
- Max File Size: 287 MB (iOS) / 72 MB (Android)
2. Instagram (Reels & Feed)
- Reels: 9:16 Vertical (1080 x 1920 px)
- Feed Posts: 4:5 Portrait (1080 x 1350 px) or 1:1 Square (1080 x 1080 px)
- Container: MP4 with H.264 video codec & AAC audio
3. YouTube Shorts vs Long-Form
- Shorts: 9:16 Vertical (1080 x 1920 px) up to 60 seconds.
- Standard Video: 16:9 Widescreen (1920x1080 HD or 3840x2160 4K).
4. X (Twitter) & LinkedIn
- Aspect Ratio: 1:1 Square (1080 x 1080 px) or 16:9 Widescreen (1920 x 1080 px).
