Criteo Showcase — Square 1200×1200 ads are square 1:1 still images, measured at 1200×1200 px, up to 25 MB per file, up to 30 seconds long, delivered as PNG, JPG, or MP4. They run in the Open Web / Retail Media — Brand + Product Showcase placement on Criteo.
| Dimensions | 1200 × 1200 px |
|---|---|
| Aspect ratios | 1:1 |
| Orientation | square |
| Max file size | 25 MB |
| File types | PNG, JPG, MP4 |
| Max duration | 30 sec |
|---|
Required assets: HD logo, brand book, branding images, branding videos, URL redirection link and product catalog. Branding image file type: PNG or JPG. Max image weight: 1 MB. Branding video file type: .mp4. Max video weight: 25 MB. Video resolution: 720p (or lower if source is lower). Video max length: 30 seconds (ideal 15 s). Video ratios: Horizontal 16:9, Vertical 9:16, Square 1:1. Devices: Desktop, Tablet, Mobile. Service type: Managed Service or Self Service.
Official source: https://www.criteo.com/digital-ad-formats/