Spotify Carousel ads are square 1:1 still images, up to 75 MB per file, delivered as JPG or PNG. They run in the Now Playing placement on Spotify. Use these requirements to brief designers, validate uploads, and avoid creative rejections in Spotify's ad manager.
| Aspect ratios | 1:1 |
|---|---|
| Orientation | square |
| Max file size | 75 MB |
| File types | JPG, PNG |
2–6 cards, display only; minimum 600×600 per card, maximum 75MB PER CARD as published. Square JPG/PNG logo minimum 600×600, maximum 75MB as published. Advertiser name maximum 25 characters; choose from 21 predefined CTAs. Carousel and card taglines maximum 40 characters. HTTPS URL required at carousel level, optional per card; price overlays optional. Ads Manager creation documented; do not assume Exchange or Direct availability. Desktop/mobile music inventory. Unit-level HTTPS click commands and 1×1 pixels; IAS/DoubleVerify via Ads Manager only.
Official source: https://ads.spotify.com/en-US/ad-formats/carousel-ads/