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1080×1080
shown at 20%
Feed Image - Square (1:1)
Square
- Size (px)
- Ratio
- 1:1
Outbrain (Native) — High-Impact / Native Display (Square, Mobile)
Square · Native · Verified 2026-06
Live preview
1200×1200
shown at 38%
In context
Sample feed post
Full specification
Size (px)
Ratio1:1
Max weight5 MB
FormatsJPG, PNG, MP4
Formats · VideoMP4
Text limits
Headline
30 chars
Description
90 chars
Company name
25 chars
CTA
15 chars
Notes & best practice
Square (1:1) variant of the mobile high-impact Native Display SmartAd (1200x1200px).
Has the same copy limits and 5 MB max upload weight as the vertical variant.
Brand logo must be 1:1, minimum 150x150px.
Frequently asked questions
What size is the Outbrain (Native) High-Impact / Native Display (Square, Mobile)?
The Outbrain (Native) High-Impact / Native Display (Square, Mobile) is 1200×1200 px, aspect ratio 1:1.
What is the aspect ratio of the Outbrain (Native) High-Impact / Native Display (Square, Mobile)?
1:1. At the recommended resolution that is 1200×1200 px.
What is the maximum file size for the Outbrain (Native) High-Impact / Native Display (Square, Mobile)?
Up to 5 MB, in JPG, PNG, MP4.
What file formats does Outbrain (Native) accept for the High-Impact / Native Display (Square, Mobile)?
JPG, PNG, MP4.
Why does Outbrain (Native) crop my High-Impact / Native Display (Square, Mobile)?
Outbrain (Native) shows High-Impact / Native Display (Square, Mobile) 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) High-Impact / Native Display (Square, Mobile) in 2026?
Yes. Last verified 2026-06 against the official Outbrain (Native) documentation.
Check your creative
Test a file against this exact spec before you upload it anywhere.
Nothing is uploaded or saved — the check runs entirely in your browser.