Reddit Reddit Carousel Ad - Card Image Ad Size
1200×628px · 300:157
The recommended size for Reddit Reddit Carousel Ad - Card Image ads is 1200×628px (ratio 300:157). with a maximum file size of 3 MB.
Placement spec
| Recommended size | 1200×628px |
|---|---|
| Aspect ratio | 300:157 |
| Max file size | 3 MB |
Design rules
- Card image is optional.
Frequently asked questions
What is the correct size for Reddit Reddit Carousel Ad - Card Image ads?
The recommended size is 1200×628px with a 300:157 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 1200×628px and 1,400+ other placement sizes. For placements with a safe zone, AI keeps key elements inside the safe area.