Outbrain (Native) — Carousel

Carousel · Native · Verified 2026-06

Live preview

1200×1200

shown at 38%

In context

Sample feed post

Full specification

Size (px)

Ratio1:1

Max weight2.5 MB

FormatsJPG, PNG, GIF, MP4

Max video30 MB

Formats · VideoMP4, GIF

Text limits

Title 100 chars

Company name 60 chars

Notes & best practice

Swipeable multi-card native unit containing 3 to 10 cards.

Each card must be 1:1 ratio, between 300px and 1200px.

Images can be up to 2.5 MB, while GIF or MP4 files can be up to 30 MB.

Brand logo must be 1:1 ratio, between 40px and 400px.

CTA is selected from a dropdown of over 20 options.

Official doc All Outbrain (Native) sizes Compare “Carousel” across platforms

Frequently asked questions

What size is the Outbrain (Native) Carousel?

The Outbrain (Native) Carousel is 1200×1200 px, aspect ratio 1:1.

What is the aspect ratio of the Outbrain (Native) Carousel?

1:1. At the recommended resolution that is 1200×1200 px.

What is the maximum file size for the Outbrain (Native) Carousel?

Up to 2.5 MB, in JPG, PNG, GIF, MP4.

What file formats does Outbrain (Native) accept for the Carousel?

JPG, PNG, GIF, MP4.

Why does Outbrain (Native) crop my Carousel?

Outbrain (Native) shows Carousel at 1:1. Upload exactly 1200×1200 px and keep key content in the safe area so nothing gets cut off.

Is 1200×1200 still correct for the Outbrain (Native) Carousel in 2026?

Yes. Last verified 2026-06 against the official Outbrain (Native) documentation.

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