Twitch Homepage Headliner — Mobile Feed ads are vertical 9:16 still images, measured at 1080×1920 px, up to 0.35 MB per file, delivered as JPG or PNG. They run in the Mobile App Feed placement on Twitch. Use these requirements to brief designers, validate uploads, and avoid creative rejections in Twitch's ad manager.
| Dimensions | 1080 × 1920 px |
|---|---|
| Aspect ratios | 9:16 |
| Orientation | portrait |
| Max file size | 0.35 MB |
| File types | JPG, PNG |
Full-screen static in the Twitch mobile app second feed. 1080×1920, JPG/PNG, ≤350 KB, no animation. The auto-generated 'Learn More' CTA and ad-disclosure label take ~12% of the total height; keep text and CTA within the safe zone (PSD template provided). Site-served.
Official source: https://advertising.amazon.com/resources/ad-specs/twitch/homepage-headliner