Publishing high-impact video content requires adhering to exact platform specifications to prevent unintended cropping, blurry re-compression, or audio desynchronization. Below is our verified 2026 technical reference guide.
1. TikTok Video Specifications
TikTok prioritizes full-screen vertical immersion designed for modern mobile displays.
- Optimal Dimensions: 1080 × 1920 pixels (9:16 vertical ratio).
- Accepted Containers: MP4 or MOV with H.264 video codec.
- Target Bitrate: 4,000 to 8,000 kbps for crisp 1080p playback.
- Audio Standard: AAC Stereo, 44.1 kHz or 48 kHz, 192 kbps.
- Safe Zones: Leave top 15% and bottom 20% clear of crucial text overlays to avoid platform caption and icon overlap.
2. Instagram Reels & Stories Specifications
Meta enforces strict automated compression filters on uploads with excessive file sizes.
- Optimal Dimensions: 1080 × 1920 pixels (9:16 vertical ratio).
- Feed Video Dimensions: 1080 × 1350 pixels (4:5 portrait) or 1080 × 1080 (1:1 square).
- Frame Rate: 30 fps or 60 fps (progressive scan).
- Recommended Audio: 48 kHz AAC stereo at 128–256 kbps.
3. X (Twitter) Video & Spaces Specifications
X supports widescreen, square, and vertical formats with adaptive bitrate delivery.
- Optimal Landscape: 1920 × 1080 pixels (16:9 widescreen) at up to 6,200 kbps.
- Optimal Vertical: 1080 × 1920 pixels (9:16 mobile).
- Maximum Video Duration: 140 seconds for standard accounts (longer for Premium subscribers).
- Spaces Audio: Streamed at 64–128 kbps mono/stereo AAC or Opus.
4. Facebook Watch & Feed Specifications
Facebook accommodates longer-form community videos alongside short-form Reels.
- Watch Horizontal: 1920 × 1080 pixels (16:9 ratio) at 4,000–8,000 kbps.
- Facebook Reels: 1080 × 1920 pixels (9:16 vertical).
- Container: MP4 with moov atom positioned at file front for instant playback.
Conclusion & Key Takeaways
By formatting your videos according to native platform dimensions and optimal bitrates, you prevent platform re-compression artifacts and deliver the cleanest visual experience to your audience.