Adnow image & ad sizes

Teaser Medium confidence — verified against reputable sources. Verified 2026-10

Drop a creative or type a size — see every placement it fits

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Or type a size

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1placements
1layouts to produce
1aspect ratios

Image 1

Official documentation

Size map

Every frame is drawn to the same scale · largest 200×200

200×200 1

Numbers match the rows of the size table

All Adnow sizes

Placement	Ratio	Max weight	Formats	Text limits	Confidence
1. Native teaser creative (200x200 or larger) Square	1:1	720 KB	JPGPNGGIF	2	High confidence — confirmed in the official documentation
Notes & best practice Upload a single square image, title, and description. The platform auto-resizes the image for all widgets. Recommended image size is 200x200 or larger, with a maximum file size of 720 KB. Title limit is 40 characters, and description limit is 120 characters. AdNow does not publish accepted formats; JPG, PNG, and GIF are assumed, not confirmed. No separate brand name or CTA field is available; the widget automatically displays the source domain. Full specification Size (px) Ratio 1:1 Max weight 720 KB Formats JPG, PNG, GIF Text limits Title40chars Description120chars High confidence — confirmed in the official documentation Source: adnow.com (opens in a new tab)
2. Native teaser creative (300x300 option) Square Another size for the same uploadsee 1	1:1	720 KB	JPGPNGGIF	2	Lower confidence — changes frequently, verify before launch
Notes & best practice A 300x300 px upload renders sharper; this size is a best-practice estimate, not a published AdNow spec. AdNow recommends 200x200 px or larger. Maximum file weight is 720 KB. Text limits are 40 characters for the title and 120 characters for the description. Full specification Size (px) Ratio 1:1 Max weight 720 KB Formats JPG, PNG, GIF Text limits Title40chars Description120chars Lower confidence — changes frequently, verify before launch Source: adnow.com (opens in a new tab)
3. Native teaser creative (HD upload 600x600) Square Another size for the same uploadsee 1	1:1	720 KB	JPGPNGGIF	2	Lower confidence — changes frequently, verify before launch
Notes & best practice High-resolution square option for retina screens and larger widget slots. This size is not an AdNow spec value; it follows the official '200x200 or larger' guidance. AdNow recommends 200x200 px or larger. File weight limit is 720 KB. Text limits are 40 characters for the title and 120 characters for the description. Full specification Size (px) Ratio 1:1 Max weight 720 KB Formats JPG, PNG, GIF Text limits Title40chars Description120chars Lower confidence — changes frequently, verify before launch Source: adnow.com (opens in a new tab)
4. Widget thumbnail render (approx max 190x190) Square Display size, not an upload sizesee 1	1:1	720 KB	JPGPNGGIF	2	Lower confidence — changes frequently, verify before launch
Notes & best practice Publisher-configurable widget thumbnail render size up to 190x190 px. Thumbnails are square, and the single uploaded square image is auto-resized to fit. This is a display size, not a separate upload asset. No AdNow source confirms the 190x190 figure; treat it as unverified. Full specification Size (px) Ratio 1:1 Max weight 720 KB Formats JPG, PNG, GIF Text limits Title40chars Description120chars Lower confidence — changes frequently, verify before launch Source: adnow.com (opens in a new tab)
5. Widget thumbnail render (approx min 50x50) Square Display size, not an upload sizesee 1	1:1	720 KB	JPGPNGGIF	2	Lower confidence — changes frequently, verify before launch
Notes & best practice Minimum publisher-configurable widget thumbnail render size is 50x50 px. Thumbnails are square, and the single uploaded square image is auto-resized to fit. This is a display size, not a separate upload asset. No AdNow source confirms the 50x50 figure; treat it as unverified. Full specification Size (px) Ratio 1:1 Max weight 720 KB Formats JPG, PNG, GIF Text limits Title40chars Description120chars Lower confidence — changes frequently, verify before launch Source: adnow.com (opens in a new tab)

High confidence — confirmed in the official documentation Medium confidence — verified against reputable sources Lower confidence — changes frequently, verify before launch shortened, full wording in the row details reference size, not a separate upload: the checker, kit and size map skip it