Google GDN Square Ad Size
250×250px · 1:1
The recommended size for Google GDN Square ads is 250×250px (ratio 1:1). with a maximum file size of 150KB.
Placement spec
| Recommended size | 250×250px |
|---|---|
| Aspect ratio | 1:1 |
| Max file size | 150KB |
Frequently asked questions
What is the correct size for Google GDN Square ads?
The recommended size is 250×250px with a 1:1 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 250×250px and 1,400+ other placement sizes. For placements with a safe zone, AI keeps key elements inside the safe area.