X Sizes & Dimensions Guide
Complete specifications for all X content types. Get the exact dimensions, aspect ratios, and file requirements for X in 2025.
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2025 SpecificationsLatest
Feed
2025Complete guide to X (Twitter) image dimensions and specifications for posts in 2025. Create engaging tweets with the perfect image size and format for maximum impact.
Dimensions:
1200×675
Aspect Ratio:
16:9
Max Size:
5MB
Format:
JPG, JPEG
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Video
2025Complete guide to X (Twitter) video dimensions, duration limits, and technical specifications for 2025. Upload videos with the perfect format for maximum engagement.
Dimensions:
1280×720
Aspect Ratio:
16:9
Max Size:
512MB
Format:
MP4, MOV
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X 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
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