Google GDN Vertical Rectangle Ad Size
240×400px · 3:5
The recommended size for Google GDN Vertical Rectangle ads is 240×400px (ratio 3:5). with a maximum file size of 150KB.
Placement spec
| Recommended size | 240×400px |
|---|---|
| Aspect ratio | 3:5 |
| Max file size | 150KB |
Frequently asked questions
What is the correct size for Google GDN Vertical Rectangle ads?
The recommended size is 240×400px with a 3:5 aspect ratio.
What are the file format and size limits?
with a maximum file size of 150KB.
Can I convert an existing banner to this size automatically?
Upload your original banner to ImageFactory banner resize and it is automatically converted to 240×400px and 1,400+ other placement sizes. For placements with a safe zone, AI keeps key elements inside the safe area.