Criteo — Image ad - Mobile banner

Display banner · Native · Verified 2026-07

Live preview

320×50

shown at 100%

On a web page

Size (px)

Ratio6.4:1

Max weight500 KB

FormatsJPG, PNG, GIF

Text limits No separate text fields (baked into the static image)

Core mobile banner size.

One of the four core sizes reaching 90% of image inventory.

Formats: JPG, PNG, GIF under 500 KB.

Animation limit is 30 seconds.

What size is the Criteo Image ad - Mobile banner?

The Criteo Image ad - Mobile banner is 320×50 px, aspect ratio 6.4:1.

What is the aspect ratio of the Criteo Image ad - Mobile banner?

6.4:1. At the recommended resolution that is 320×50 px.

What is the maximum file size for the Criteo Image ad - Mobile banner?

Up to 500 KB, in JPG, PNG, GIF.

What file formats does Criteo accept for the Image ad - Mobile banner?

JPG, PNG, GIF.

Why does Criteo crop my Image ad - Mobile banner?

Criteo shows Image ad - Mobile banner at 6.4:1. Upload exactly 320×50 px and keep key content in the safe area so nothing gets cut off.

Is 320×50 still correct for the Criteo Image ad - Mobile banner in 2026?

Yes. Last verified 2026-07 against the official Criteo documentation.

Test a file against this exact spec before you upload it anywhere.

Nothing is uploaded or saved — the check runs entirely in your browser.

Drag & drop your creative or click to choose a file