Responsive display ads
Quick answer: Google responsive display ads use 1200 x 628 landscape (1.91:1) and 1200 x 1200 square (1:1) images, with 900 x 1600 vertical (9:16) optional, up to 5120 KB per image. Headlines are 30 characters, the long headline and descriptions 90.
Google says Display campaigns are moving into Demand Gen, with voluntary migration from June 2026. Specs may change as that happens.
Images
| Type | Ratio | Recommended | Minimum |
|---|---|---|---|
| Landscape | 1.91:1 | 1200 x 628 | 600 x 314 |
| Square | 1:1 | 1200 x 1200 | 300 x 300 |
| Vertical | 9:16 | 900 x 1600 | 600 x 1067 |
Up to 15 images in total. Max file size 5120 KB per image. At least 1 landscape and 1 square image are required.
Text
| Field | Max length | How many |
|---|---|---|
| Headline | 30 characters | 1 to 5 |
| Long headline | 90 characters | 1 |
| Description | 90 characters | 1 to 5 |
| Business name | 25 characters | 1 |
✓ VerifiedLast checked 2026-10-21 Source: support.google.com, support.google.com.
FAQ
What image sizes do responsive display ads need?
At least one landscape 1.91:1 image (1200 x 628 recommended, 600 x 314 minimum) and one square 1:1 image (1200 x 1200 recommended, 300 x 300 minimum).
What is the max file size for display ad images?
5120 KB per image, with up to 15 images in total.