Sharethrough image & ad sizes

Native

Every Sharethrough creative format with exact pixels, max weight and accepted file types. 6 sizes, verified 2026-07.

Official documentation: 16543531373851 Creative Specs ↗ · 208826286 Solimar Creative Making a Nativ… ↗ · 360012183792 StackAdap Native Display Cre… ↗ · 206605923 Overview Of Native Advertising ↗

Format

Native Display - Main Image (Recommended)

Landscape

Size (px)
Ratio: 1.91:1
Max weight: Under 1 MB (optimal ~750 KB); Yahoo DSP allows up to 2 MB
Formats: JPG, PNG, GIF

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Native Display - Square Image

Square

Size (px)
Ratio: 1:1
Max weight: Under 1 MB (optimal ~750 KB)
Formats: JPG, PNG, GIF

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Native Display - Mobile Thumbnail (Minimum)

Landscape

Size (px)
Ratio: 16:9
Max weight: Under 1 MB
Formats: JPG, PNG, GIF

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Native Display - Brand Logo / Icon

Square

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

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Native Video - 16:9 (Landscape)

Video

Size (px)
Ratio: 16:9
Max weight: 1 GB
Formats: MP4, MOV, WEBM, MPG, MPEG, FLV

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Native Video - 4:3

Video

Size (px)
Ratio: 4:3
Max weight: 1 GB
Formats: MP4, MOV, WEBM, MPG, MPEG, FLV

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