X (Twitter) Image Ad ads are square 1.91:1 still images, measured at 1200×1200 px, up to 5 MB per file, delivered as JPG, PNG, or WEBP. They run in the Timeline placement on X (Twitter). Use these requirements to brief designers, validate uploads, and avoid creative rejections in X (Twitter)'s ad manager.
| Dimensions | 1200 × 1200 px |
|---|---|
| Aspect ratios | 1.91:1, 1:1 |
| Orientation | square |
| Max file size | 5 MB |
| File types | JPG, PNG, WEBP |
| Primary text | 280 chars |
|---|
URL counts as 23 chars. Recommended 1.91:1 for link previews.
Official source: https://business.x.com/en/help/campaign-setup/advertiser-card-specifications