Search Banner (Right-rail) - 240x400
Display banner
- Size (px)
- Ratio
- 3:5
Display banner · Display · Verified 2026-06
Anchored banner that sits at the top or bottom of a host app screen.
Banners share the same image spec as Native and Interstitial ads: 9:16 ratio, minimum 398x208, and maximum 30 MB in JPG or PNG format.
Banner creatives are auto-resized by the publisher SDK to standard banner heights, such as 50 or 90 px.
Test a file against this exact spec before you upload it anywhere.
Nothing is uploaded or saved — the check runs entirely in your browser.