Adsterra — Native Banner — Creative Image

Landscape · Native · Verified 2026-07

Live preview

320×240
shown at 100%

In context

Sample feed post

Full specification

Size (px)
Ratio4:3
Max weight350 KB
FormatsJPG, PNG
Text limits
Title 64 chars

Notes & best practice

The primary creative for a Native Banner campaign requires one image and one title.

Upload the image at exactly 320x240 pixels (JPG or PNG, up to 350 KB), despite conflicting aspect ratio labels.

The title can be up to 64 characters.

You can add up to 15 creatives per test campaign.

For best results, use images featuring people or large objects on contrasting backgrounds, and include numbers or facts in the headline.

Impressions are only counted if at least 50% of the banner is in view.

There are no options for logos or separate CTA fields.

Frequently asked questions

What size is the Adsterra Native Banner — Creative Image?
The Adsterra Native Banner — Creative Image is 320×240 px, aspect ratio 4:3.
What is the aspect ratio of the Adsterra Native Banner — Creative Image?
4:3. At the recommended resolution that is 320×240 px.
What is the maximum file size for the Adsterra Native Banner — Creative Image?
Up to 350 KB, in JPG, PNG.
What file formats does Adsterra accept for the Native Banner — Creative Image?
JPG, PNG.
Why does Adsterra crop my Native Banner — Creative Image?
Adsterra shows Native Banner — Creative Image at 4:3. Upload exactly 320×240 px and keep key content in the safe area so nothing gets cut off.
Is 320×240 still correct for the Adsterra Native Banner — Creative Image in 2026?
Yes. Last verified 2026-07 against the official Adsterra 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.

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