Outbrain Clip ads are horizontal 3:2 video clips, up to 30 MB per file, up to 15 seconds long, delivered as GIF or MP4. They run in the Native — In the Feed (managed only) placement on Outbrain. Use these requirements to brief designers, validate uploads, and avoid creative rejections in Outbrain's ad manager.
| Aspect ratios | 3:2 |
|---|---|
| Orientation | landscape |
| Max file size | 30 MB |
| File types | GIF, MP4 |
| Max duration | 15 sec |
|---|
| Headline | 60 chars |
|---|
File: GIF or MP4 in 3:2 ratio, up to 30 MB. Length up to 15 seconds, looped 3× or 1×. Title up to 90 characters (60 recommended). Brand name up to 25 characters. CTA selected from a predefined list (10 languages supported). If the asset's ratio doesn't match the widget size, Outbrain adds a blurred padding. Best for consideration and performance. Devices: all.
Official source: https://www.outbrain.com/help/ads-specs/#clip