YouTube Sizes & Dimensions Guide
Complete specifications for all YouTube content types. Get the exact dimensions, aspect ratios, and file requirements for YouTube. Updated for 2026.
YouTube Content SpecificationsUpdated 2026
Shorts
Updated 2026Complete guide to YouTube Shorts dimensions, aspect ratios, and specifications. Create engaging Shorts with the perfect vertical video format. Updated for 2026.
Thumbnail
Updated 2026Complete guide to YouTube thumbnail dimensions and specifications. Create click-worthy thumbnails with the perfect size, resolution, and format. Updated for 2026.
Banner
Updated 2026Complete guide to YouTube channel banner (channel art) dimensions. Create the perfect banner with safe zones for desktop, mobile, tablet, and TV display. Updated for 2026.
YouTube Content Best Practices
- ✓Always use the recommended dimensions for better algorithm performance
- ✓Optimize file sizes for faster loading and better user experience
- ✓Test different aspect ratios to see what works best for your audience
- ✓Use PostFast to automatically resize and optimize for YouTube
Developer Resources
YouTube API Guides
Learn how to schedule YouTube content programmatically via API
Perfect YouTube Posts Every Time
Never worry about YouTube dimensions again. PostFast automatically optimizes your content for maximum engagement.
Start Free Trial