viral-video-platform-specs
Installation
SKILL.md
Viral Video Platform Specifications
Use this skill to choose export settings for TikTok, YouTube Shorts, Instagram Reels, Facebook Reels, Snapchat Spotlight, Twitter/X, Pinterest, LinkedIn, and mobile-browser playback. This SKILL is a lean orchestrator; detailed platform tables, commands, and recipes are preserved in references/platform-details-and-recipes.md.
Quick Reference
| Platform | Aspect | Recommended resolution | Practical duration | Max size | Default codec |
|---|---|---|---|---|---|
| TikTok | 9:16 | 1080x1920 | 21-34s | 287 MB iOS | H.264 + AAC |
| YouTube Shorts | 9:16 | 1080x1920 | 50-59s | 256 GB | H.264 or VP9 |
| Instagram Reels | 9:16 | 1080x1920 | 7-30s | 4 GB | H.264 + AAC |
| Facebook Reels | 9:16 | 1080x1920 | 15-30s | 4 GB | H.264 + AAC |
| Snapchat Spotlight | 9:16 | 1080x1920 | <=60s | 300 MB | H.264 + AAC |
| Twitter/X | 9:16, 16:9, 1:1 | 1080x1920 | <=140s | 512 MB | H.264 + AAC |