TikTok Carousel Image ads are square 1:1 still images, measured at 720×720 px, up to 20 MB per file, delivered as JPG or PNG. They run in the For You Feed placement on TikTok. Use these requirements to brief designers, validate uploads, and avoid creative rejections in TikTok's ad manager.
| Dimensions | 720 × 720 px |
|---|---|
| Aspect ratios | 1:1 |
| Orientation | square |
| Max file size | 20 MB |
| File types | JPG, PNG |
| Primary text | 100 chars |
|---|
2–35 images per carousel. Each image counted independently.
Official source: https://ads.tiktok.com/help/article/carousel-ads