What size are IAB Standards In-Feed Native Ad ads?

IAB Standards In-Feed Native Ad ads are 1200×627 pixels with an aspect ratio of 1.91:1.

What aspect ratio does IAB Standards In-Feed Native Ad use?

IAB Standards In-Feed Native Ad supports 1.91:1 aspect ratio.

What is the maximum file size for IAB Standards In-Feed Native Ad?

Files for IAB Standards In-Feed Native Ad can be up to 1 MB.

Which file formats does IAB Standards In-Feed Native Ad accept?

IAB Standards In-Feed Native Ad accepts JPG and PNG files.

What are the copy limits for IAB Standards In-Feed Native Ad?

IAB Standards In-Feed Native Ad copy is limited to 25-character headlines, 90-character body text, and 15-character CTAs.

Where does IAB Standards In-Feed Native Ad appear on IAB Standards?

IAB Standards In-Feed Native Ad ads appear in the In-feed placement on IAB Standards.

Where can I find the official IAB Standards In-Feed Native Ad documentation?

The official source for IAB Standards In-Feed Native Ad requirements is https://iabtechlab.com/standards/openrtb-native/, linked from this page.

Are these IAB Standards In-Feed Native Ad 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.

IAB Standards In-Feed Native Ad ad specs

IAB Standards In-Feed Native Ad ads are horizontal 1.91:1 still images, measured at 1200×627 px, up to 1 MB per file, delivered as JPG or PNG. They run in the In-feed placement on IAB Standards. Use these requirements to brief designers, validate uploads, and avoid creative rejections in IAB Standards's ad manager.

Dimensions: 1200×627 px
Aspect ratio: 1.91:1
Max file size: 1 MB

Visual specifications

Dimensions	1200 × 627 px
Aspect ratios	1.91:1
Orientation	landscape
Max file size	1 MB
File types	JPG, PNG

Copy limits

Headline	25 chars
Primary text	90 chars
Call to action	15 chars

Notes & source

Native ad matching the look and feel of surrounding editorial content. Follows OpenRTB Native Ads Specification 1.2. Must include an 'Ad' or 'Sponsored' disclosure label. Main image recommended at 1200×627; icon at 80×80.

Official source: https://iabtechlab.com/standards/openrtb-native/

Frequently asked questions

What size are IAB Standards In-Feed Native Ad ads?: IAB Standards In-Feed Native Ad ads are 1200×627 pixels with an aspect ratio of 1.91:1.
What aspect ratio does IAB Standards In-Feed Native Ad use?: IAB Standards In-Feed Native Ad supports 1.91:1 aspect ratio.
What is the maximum file size for IAB Standards In-Feed Native Ad?: Files for IAB Standards In-Feed Native Ad can be up to 1 MB.
Which file formats does IAB Standards In-Feed Native Ad accept?: IAB Standards In-Feed Native Ad accepts JPG and PNG files.
What are the copy limits for IAB Standards In-Feed Native Ad?: IAB Standards In-Feed Native Ad copy is limited to 25-character headlines, 90-character body text, and 15-character CTAs.
Where does IAB Standards In-Feed Native Ad appear on IAB Standards?: IAB Standards In-Feed Native Ad ads appear in the In-feed placement on IAB Standards.
Where can I find the official IAB Standards In-Feed Native Ad documentation?: The official source for IAB Standards In-Feed Native Ad requirements is https://iabtechlab.com/standards/openrtb-native/, linked from this page.
Are these IAB Standards In-Feed Native Ad 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.