Kakao Channel Message - Wide List Hero Image Ad Size
800×400px · 2:1
The recommended size for Kakao Channel Message - Wide List Hero Image ads is 800×400px (ratio 2:1). Accepted file format: JPG/PNG, with a maximum file size of 10MB.
Placement spec
| Recommended size | 800×400px |
|---|---|
| Aspect ratio | 2:1 |
| File format | JPG/PNG |
| Max file size | 10MB |
| Headline max characters | 20 |
| Description max characters | 25 |
Frequently asked questions
What is the correct size for Kakao Channel Message - Wide List Hero Image ads?
The recommended size is 800×400px with a 2:1 aspect ratio.
What are the file format and size limits?
Accepted file format: JPG/PNG, with a maximum file size of 10MB.
Can I convert an existing banner to this size automatically?
Upload your original banner to ImageFactory banner resize and it is automatically converted to 800×400px and 1,400+ other placement sizes. For placements with a safe zone, AI keeps key elements inside the safe area.