X (Twitter) Sizes & Dimensions Guide
Complete specifications for all X (Twitter) content types. Get the exact dimensions, aspect ratios, and file requirements for X (Twitter). Updated for 2026.
X (Twitter) Content SpecificationsUpdated 2026
Posts
Updated 2026Complete guide to X (Twitter) image dimensions and specifications for posts. Create engaging tweets with the perfect image size and format for maximum impact. Updated for 2026.
Video
Updated 2026Complete guide to X (Twitter) video dimensions, duration limits, and technical specifications. Upload videos with the perfect format for maximum engagement. Updated for 2026.
Header
Updated 2026Complete guide to X (Twitter) header image (banner) dimensions. Create the perfect header with optimal size for desktop and mobile display. Updated for 2026.
Profile
Updated 2026Complete guide to X (Twitter) profile picture dimensions. Upload the perfect profile photo with optimal size and quality. Updated for 2026.
X (Twitter) 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 X (Twitter)
Developer Resources
X (Twitter) API Guides
Learn how to schedule X (Twitter) content programmatically via API
Perfect X (Twitter) Posts Every Time
Never worry about X (Twitter) dimensions again. PostFast automatically optimizes your content for maximum engagement.
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