PMax campaigns now support 9:16 Vertical Image Ads, a significant update following their earlier expansion to Demand Gen campaigns. This format allows advertisers to use vertical Story Image Ads within PMax campaigns.
Vertical 9:16 Image Ads Specifications
- Minimum size: 600x1067 pixels
- Recommended size: 1080x1920 pixels
- Maximum file size: 5MB
- Google has not officially specified all eligible placements, but for Demand Gen campaigns, these ads appear on YouTube Shorts Image placement.