# Platform Specifications

## TikTok
- Aspect ratio: 9:16 (1080x1920 recommended)
- Duration: 15s to 10m (optimal: 21-34s)
- Audio: -14 LUFS, stereo 48kHz
- Format: MP4 (H.264/AAC)

## YouTube Shorts
- Aspect ratio: 9:16 (1080x1920 recommended)
- Duration: up to 60s
- Audio: -14 LUFS
- Format: MP4 (H.264/AAC)

## Instagram Reels
- Aspect ratio: 9:16 (1080x1920 recommended)
- Duration: up to 90s
- Audio: -14 LUFS
- Format: MP4 (H.264/AAC)

## Universal Best Practices
- Hook in first 3 seconds
- Text size minimum 24px at 1080p
- High contrast text on busy backgrounds
- Burn captions for silent viewing
