Reddit Reddit Image Ad - Portrait Ad Size
1080×1350px · 4:5
The recommended size for Reddit Reddit Image Ad - Portrait ads is 1080×1350px (ratio 4:5). with a maximum file size of 3 MB.
Placement spec
| Recommended size | 1080×1350px |
|---|---|
| Aspect ratio | 4:5 |
| Max file size | 3 MB |
Design rules
- GIFs will be converted to still images. CTA must be selected from Reddit's predefined list. Destination URL up to 268 characters.
Frequently asked questions
What is the correct size for Reddit Reddit Image Ad - Portrait ads?
The recommended size is 1080×1350px with a 4:5 aspect ratio.
What are the file format and size limits?
with a maximum file size of 3 MB.
Can I convert an existing banner to this size automatically?
Upload your original banner to ImageFactory banner resize and it is automatically converted to 1080×1350px and 1,400+ other placement sizes. For placements with a safe zone, AI keeps key elements inside the safe area.