Complete Social Media Video Size & Length Guide (2025)
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TikTok Video Specifications
Video Length
- Standard videos: Up to 3 minutes
- Extended videos: Up to 10 minutes (for eligible accounts)
- TikTok Series: Multiple videos up to 20 minutes total
- TikTok LIVE: Up to 60 minutes
Size & Resolution
- Ideal aspect ratio: 9:16 (vertical)
- Recommended resolution: 1080 × 1920 pixels
- Minimum resolution: 720 × 1280 pixels
- Maximum file size: ~287.6 MB (for 10-minute videos)
- Supported formats: MP4, MOV
Performance Tips
- Optimal video length: 15-60 seconds typically receive higher engagement
- First 3 seconds: Critical for retention – start with a hook
- Sound matters: 95% of TikTok videos are watched with sound on
- Captions: Always add captions for accessibility and for viewers who scroll silently
Instagram Video Specifications
Instagram Feed
- Length: Up to 60 seconds (can be extended to 10 minutes by enabling IGTV preview)
- Aspect ratio: 1:1 (square) or 4:5 (vertical)
- Resolution: 1080 × 1080 pixels (square), 1080 × 1350 (vertical)
- Maximum file size: 650MB
- Formats: MP4, MOV
Instagram Stories
- Length: Up to 15 seconds per Story (multiple can be posted consecutively)
- Aspect ratio: 9:16 (vertical)
- Resolution: 1080 × 1920 pixels
- Ideal file size: Under 30MB
- Formats: MP4, MOV
Instagram Reels
- Length: Up to 90 seconds
- Aspect ratio: 9:16 (vertical)
- Resolution: 1080 × 1920 pixels
- Maximum file size: 4GB
- Formats: MP4, MOV
Facebook Video Specifications
Facebook Feed
- Length: Up to 240 minutes
- Aspect ratio: 16:9 (landscape) or 9:16 (vertical)
- Resolution: 1280 × 720 pixels (minimum)
- Maximum file size: 10GB
- Formats: MP4, MOV
Facebook Stories
- Length: Up to 20 seconds
- Aspect ratio: 9:16 (vertical)
- Resolution: 1080 × 1920 pixels
- Formats: MP4, MOV
Facebook Reels
- Length: Up to 90 seconds
- Aspect ratio: 9:16 (vertical)
- Resolution: 1080 × 1920 pixels
- Formats: MP4, MOV
YouTube Video Specifications
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Standard Videos
- Length: Up to 12 hours (verified accounts)
- Aspect ratio: 16:9 (landscape)
- Resolution: 1920 × 1080 (1080p HD) recommended
- Maximum file size: 256GB
- Formats: MP4, MOV, AVI, WMV, FLV, 3GPP, MPEG4, WebM, MPG
YouTube Shorts
- Length: Up to 60 seconds
- Aspect ratio: 9:16 (vertical)
- Resolution: 1080 × 1920 pixels
- Formats: Same as standard videos
Twitter Video Specifications
- Length: Up to 2 minutes 20 seconds
- Aspect ratio: 16:9 (landscape), 1:1 (square), or 9:16 (vertical)
- Resolution: 1280 × 720 pixels (minimum)
- Maximum file size: 512MB
- Formats: MP4, MOV
LinkedIn Video Specifications
- Length: Up to 10 minutes
- Aspect ratio: 1:1 (square) or 16:9 (landscape)
- Resolution: 1920 × 1080 pixels (maximum)
- Maximum file size: 5GB
- Formats: MP4
Tools to Resize and Optimize Videos
Free Online Tools
- Kapwing – https://www.kapwing.com
- Easily resize for any social platform
- Trim length, add captions, adjust aspect ratio
- No watermark on exports under 7 minutes
- VEED.IO – https://www.veed.io
- Comprehensive editing with templates for each platform
- Auto-captioning and text-to-speech
- Limited features in free version
- Clideo – https://clideo.com
- Simple interface for quick resizing
- Batch processing available
- Limited file size in free version
- Canva – https://www.canva.com
- Templates for all major platforms
- Basic video editing and resizing
- Free plan available with limitations
Desktop Applications
- HandBrake (Free, Windows/Mac/Linux)
- Powerful compression while maintaining quality
- Batch processing
- Presets for different devices and platforms
- Adobe Premiere Pro (Paid, Windows/Mac)
- Professional-grade editing
- Export presets for all social platforms
- Automatic sequence resizing
- DaVinci Resolve (Free/Paid, Windows/Mac/Linux)
- Professional color grading
- Social media presets
- Free version has most essential features
Mobile Apps
- CapCut (Free, iOS/Android)
- Created by ByteDance (TikTok parent company)
- Perfect for TikTok optimization
- Templates and effects designed for vertical video
- InShot (Free/Paid, iOS/Android)
- Resize, trim, and adjust aspect ratio
- Platform-specific export options
- Watermark in free version
- VN Video Editor (Free, iOS/Android)
- Professional-grade mobile editing
- Resize for any platform
- No watermark even in free version
Video Optimization Best Practices
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File Size Reduction
- Lower resolution when platform doesn’t support high-res playback
- Reduce bitrate using compression tools like HandBrake
- Trim unnecessary footage from beginning and end
- Use modern codecs like H.265 (HEVC) where supported
Cross-Platform Efficiency
- Create in highest quality first, then resize down for other platforms
- Design for vertical first (9:16) when possible, as it’s easiest to crop to other formats
- Keep important content centered so it remains visible when cropped
- Batch export to multiple formats using tools like Adobe Media Encoder
Performance Optimization
- Front-load your content – put the most engaging elements in the first 3 seconds
- Use platform-specific features (TikTok effects, Instagram filters)
- Test different lengths for each platform to find your audience’s sweet spot
- Consider audio design for platforms where sound is on by default (TikTok) vs. off (Facebook)
FAQs
What’s the best video length for engagement?
- TikTok: 15-30 seconds
- Instagram Reels: 15-30 seconds
- YouTube Shorts: 15-60 seconds
- Standard YouTube: 8-12 minutes
- Facebook: 1-3 minutes
Why is my video quality degrading when uploaded?
Social platforms compress videos after upload to save bandwidth. To minimize quality loss:
- Upload at the maximum recommended resolution
- Use moderate movement (excessive motion causes more compression artifacts)
- Ensure good lighting in the original footage
- Export at a slightly higher bitrate than recommended
How can I repurpose one video across multiple platforms?
- Shoot in high resolution (4K if possible)
- Frame shots to work in both 16:9 and 9:16 (leave room in the center)
- Use tools like Kapwing or Adobe Premiere to create platform-specific versions
- Adjust pacing and length for each platform’s audience
Does video file size affect reach and distribution?
Yes, especially on mobile networks. Smaller files:
- Load faster, reducing abandonment
- Buffer less frequently
- Are more likely to be watched to completion
- Save users’ data (which they appreciate)
Balance quality with file size for optimal performance.
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