Release Date: May 12th, 2026

When creating or editing a First Party Video creative, users can select the desired aspect ratio from the Aspect Ratio dropdown.

The Preview area dynamically updates based on the selected aspect ratio, allowing users to confirm how the uploaded video will display for each supported format. The selected aspect ratio controls the video preview and helps ensure the uploaded creative matches the intended format.

These supported aspect ratios allow users to upload creatives for common video placements, including standard landscape, square, vertical, and portrait formats.

16:9 Preview

1:1 Aspect Ratio

9:16 Aspect Ratio

4:5 Aspect Ratio