IAB Standards DOOH Ultra HD Portrait ad specs

IAB Standards DOOH Ultra HD Portrait ads are vertical 9:16 still images, measured at 2160×3840 px, up to 100 MB per file, delivered as JPG, PNG, or HTML. They run in the Large portrait display / Retail window placement on IAB Standards. Use these requirements to brief designers, validate uploads, and avoid creative rejections in IAB Standards's ad manager.

Visual specifications

Dimensions2160 × 3840 px
Aspect ratios9:16
Orientationportrait
Max file size100 MB
File typesJPG, PNG, HTML

Notes & source

Ultra HD (4K) portrait screen for premium retail window displays and large indoor portrait installations. Higher resolution enables detailed creative at close viewing distances.

Official source: https://iabtechlab.com/standards/dooh/

Frequently asked questions

What size are IAB Standards DOOH Ultra HD Portrait ads?
IAB Standards DOOH Ultra HD Portrait ads are 2160×3840 pixels with an aspect ratio of 9:16.
What aspect ratio does IAB Standards DOOH Ultra HD Portrait use?
IAB Standards DOOH Ultra HD Portrait supports 9:16 aspect ratio.
What is the maximum file size for IAB Standards DOOH Ultra HD Portrait?
Files for IAB Standards DOOH Ultra HD Portrait can be up to 100 MB.
Which file formats does IAB Standards DOOH Ultra HD Portrait accept?
IAB Standards DOOH Ultra HD Portrait accepts JPG, PNG, and HTML files.
Where does IAB Standards DOOH Ultra HD Portrait appear on IAB Standards?
IAB Standards DOOH Ultra HD Portrait ads appear in the Large portrait display / Retail window placement on IAB Standards.
Where can I find the official IAB Standards DOOH Ultra HD Portrait documentation?
The official source for IAB Standards DOOH Ultra HD Portrait requirements is https://iabtechlab.com/standards/dooh/, linked from this page.
Are these IAB Standards DOOH Ultra HD Portrait specs kept up to date?
Yes — every spec entry references IAB Standards's official documentation source so dimensions, file size limits, and codec requirements stay in sync as the platform changes.
Can I reuse the same creative for other IAB Standards placements?
Often partially — many IAB Standards placements share aspect ratios but differ in safe zones, duration, or file size. Always cross-check the target placement's spec page before reusing creative.