Video Compression for Social Media Platforms
Each social media platform has different video requirements. Learn optimal encoding settings for YouTube, Instagram, TikTok, and Twitter.
Key Takeaways
- Platforms re-encode all uploads to their internal format.
- For most platforms, H.264 in MP4 at the platform's maximum resolution with a bitrate of 8-12 Mbps for 1080p provides the best quality-to-upload-time ratio.
- Use AAC audio at 128-256 kbps, stereo.
- Platforms extract thumbnails from the video or let you upload custom ones.
Resolution Reference
Platform Specifications
| Platform | Resolution | Max Length | Max Size | Format |
|---|---|---|---|---|
| YouTube | 4K (3840×2160) | 12 hours | 256 GB | MP4 |
| Instagram Feed | 1080×1080 | 60 min | 250 MB | MP4 |
| Instagram Reels | 1080×1920 | 90 sec | 250 MB | MP4 |
| TikTok | 1080×1920 | 10 min | 287 MB | MP4 |
| Twitter/X | 1920×1200 | 2:20 min | 512 MB | MP4 |
Pre-Upload Compression
Platforms re-encode all uploads to their internal format. Starting with a high-quality upload produces better results after re-encoding. However, uploading massive files wastes bandwidth without improving the final quality.
Optimal Upload Settings
For most platforms, H.264 in MP4 at the platform's maximum resolution with a bitrate of 8-12 Mbps for 1080p provides the best quality-to-upload-time ratio. Higher bitrates don't improve quality after the platform re-encodes.
Audio Encoding
Use AAC audio at 128-256 kbps, stereo. Most platforms normalize audio to their standard loudness level, so extremely loud or quiet audio will be adjusted.
Thumbnail Optimization
Platforms extract thumbnails from the video or let you upload custom ones. Custom thumbnails at 1280×720 (YouTube) or the platform's recommended size perform significantly better than auto-generated alternatives.
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