Responsive display ads
Responsive display is Google’s default display format: you upload assets and Google assembles the ad per placement. Required image assets:
| Asset | Recommended size | Aspect ratio | Minimum |
|---|---|---|---|
| Landscape image | 1200 × 628 | 1.91:1 | 600 × 314 |
| Square image | 1200 × 1200 | 1:1 | 300 × 300 |
| Landscape logo (optional) | 1200 × 300 | 4:1 | 512 × 128 |
| Square logo | 1200 × 1200 | 1:1 | 128 × 128 |
You can upload multiple images per shape (up to 15 images and 5 logos).
Text assets
| Field | Limit | Count |
|---|---|---|
| Short headline | 30 characters | up to 5 |
| Long headline | 90 characters | 1 |
| Description | 90 characters | up to 5 |
| Business name | 25 characters | 1 |
Uploaded display banners
If you supply finished banners instead, the sizes that account for most inventory:
| Size (px) | Name | Device |
|---|---|---|
| 300 × 250 | Medium rectangle | All |
| 336 × 280 | Large rectangle | Desktop |
| 728 × 90 | Leaderboard | Desktop |
| 300 × 600 | Half page | Desktop |
| 320 × 50 | Mobile leaderboard | Mobile |
| 320 × 100 | Large mobile banner | Mobile |
| 160 × 600 | Wide skyscraper | Desktop |
| 970 × 250 | Billboard | Desktop |
| 250 × 250 | Square | All |
| 200 × 200 | Small square | All |
File requirements: JPG, PNG, or GIF, 150 KB maximum per file. HTML5 banners are supported (ZIP, also 150 KB) but require account eligibility.