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960×540
shown at 23%
In-Feed Video Ad - Horizontal/Landscape
Landscape
- Size (px)
- Ratio
- 16:9
Sharethrough — Native Display - Mobile Thumbnail (Minimum)
Landscape · Native · Verified 2026-07
Live preview
320×180
shown at 100%
In context
Sample feed post
Full specification
Size (px)
Ratio16:9
Max weightUnder 1 MB
FormatsJPG, PNG, GIF
Text limits Inherits the unit headline and description limits (vary by DSP).
Notes & best practice
Minimum main-image size for mobile native placements on The Trade Desk STX.
The desktop minimum is 600x315 and the maximum is 2000x2000.
Yahoo DSP requires at least 200x200 for mobile and 627x627 for mobile-web.
Use a 1200x627 asset to cover all placements.
This entry represents the minimum floor dimension.
Frequently asked questions
What size is the Sharethrough Native Display - Mobile Thumbnail (Minimum)?
The Sharethrough Native Display - Mobile Thumbnail (Minimum) is 320×180 px, aspect ratio 16:9.
What is the aspect ratio of the Sharethrough Native Display - Mobile Thumbnail (Minimum)?
16:9. At the recommended resolution that is 320×180 px.
What is the maximum file size for the Sharethrough Native Display - Mobile Thumbnail (Minimum)?
Up to Under 1 MB, in JPG, PNG, GIF.
What file formats does Sharethrough accept for the Native Display - Mobile Thumbnail (Minimum)?
JPG, PNG, GIF.
Why does Sharethrough crop my Native Display - Mobile Thumbnail (Minimum)?
Sharethrough shows Native Display - Mobile Thumbnail (Minimum) at 16:9. Upload exactly 320×180 px and keep key content in the safe area so nothing gets cut off.
Is 320×180 still correct for the Sharethrough Native Display - Mobile Thumbnail (Minimum) in 2026?
Yes. Last verified 2026-07 against the official Sharethrough 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.