Outbrain (Native) image & ad sizes

Native

Every Outbrain (Native) creative format with exact pixels, max weight and accepted file types. 11 sizes, verified 2026-06.

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Format

Outbrain (Native)

Standard Native (Feed Image)

Landscape

Size (px)
Ratio: 3:2
Max weight: 2.5 MB
Formats: JPG, PNG

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Outbrain (Native)

Native Image (Square Crop)

Square

Size (px)
Ratio: 1:1
Max weight: 2.5 MB
Formats: JPG, PNG

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Outbrain (Native)

Clip (Short Looping Video/GIF)

Video

Size (px)
Ratio: 3:2
Max weight: 30 MB
Formats: GIF, MP4

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Outbrain (Native)

Native Video (Managed SmartAd)

Video

Size (px)
Ratio: 1.91:1
Max weight: 5 MB
Formats: MP4

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Outbrain (Native)

App Install

Square

Size (px)
Ratio: 1:1
Max weight: 2.5 MB
Formats: JPG, PNG, GIF

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Outbrain (Native)

Carousel

Carousel

Size (px)
Ratio: 1:1
Max weight: 2.5 MB
Formats: JPG, PNG, GIF, MP4

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Outbrain (Native)

High-Impact / Native Display (Vertical, Mobile)

Vertical / Portrait

Size (px)
Ratio: 1:1.3
Max weight: 5 MB
Formats: JPG, PNG, MP4

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Outbrain (Native)

High-Impact / Native Display (Square, Mobile)

Square

Size (px)
Ratio: 1:1
Max weight: 5 MB
Formats: JPG, PNG, MP4

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Outbrain (Native)

Outstream Video

Video

Size (px)
Ratio: 16:9
Max weight: 250 MB
Formats: MP4, MPEG, MPG, MOV, 3GP, AVI

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Outbrain (Native)

Pre-Roll Video

Video

Size (px)
Ratio: 16:9
Max weight: 100 MB
Formats: AVI, MOV, MP4, M4V, MPEG, MPG, WEBM, WMV

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Outbrain (Native)

Brand Logo / Icon

Profile picture

Size (px)
Ratio: 1:1
Max weight: 2 MB
Formats: JPG, PNG

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