X (Twitter)
X (Twitter) Sizes 2026
The complete X (Twitter) size reference. Posts, video, header banners, and profile pictures — with exact pixel dimensions, aspect ratios, and file limits.
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Quick Reference
| Type | Dimensions | Ratio | Max File | Format |
|---|---|---|---|---|
| Posts | 1600 × 900 | 16:9 | 5 MB | Image |
| Video | 1280 × 720 | 16:9 | 512 MB | Video |
| Header | 1500 × 500 | 3:1 | — | Image |
| Profile Picture | 400 × 400 | 1:1 | — | Image |