LINE Responsive Ad (Image) Main Image 1:1 Ad Size
300×300px · 1:1
The recommended size for LINE Responsive Ad (Image) Main Image 1:1 ads is 300×300px (ratio 1:1).
Placement spec
| Recommended size | 300×300px |
|---|---|
| Aspect ratio | 1:1 |
Design rules
- 最小ピクセルサイズ：600x600px
Frequently asked questions
What is the correct size for LINE Responsive Ad (Image) Main Image 1:1 ads?
The recommended size is 300×300px with a 1:1 aspect ratio.
Can I convert an existing banner to this size automatically?
Upload your original banner to ImageFactory banner resize and it is automatically converted to 300×300px and 1,400+ other placement sizes. For placements with a safe zone, AI keeps key elements inside the safe area.