IAB Standard Mobile Banner Ad Size
320×50px · 320:50
The recommended size for IAB Standard Mobile Banner ads is 320×50px (ratio 320:50). Accepted file format: JPG, PNG, GIF, with a maximum file size of 150KB.
Placement spec
| Recommended size | 320×50px |
|---|---|
| Aspect ratio | 320:50 |
| File format | JPG, PNG, GIF |
| Max file size | 150KB |
Frequently asked questions
What is the correct size for IAB Standard Mobile Banner ads?
The recommended size is 320×50px with a 320:50 aspect ratio.
What are the file format and size limits?
Accepted file format: JPG, PNG, GIF, 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 320×50px and 1,400+ other placement sizes. For placements with a safe zone, AI keeps key elements inside the safe area.