Aspect ratio is the proportional relationship between video width and height. Common ratios include 9:16 (vertical for TikTok/Reels), 16:9 (horizontal for YouTube), and 1:1 (square for Instagram Feed). UGC Copilot supports all major aspect ratios for cross-platform content creation.
Video Aspect Ratio
Frequently Asked Questions
What aspect ratios should I render my AI video ads in?
9:16 (vertical) is the universal default for TikTok, Reels, Shorts, and Snapchat — covers 80%+ of paid social inventory. 1:1 (square) for Meta feed placements. 16:9 (horizontal) for YouTube in-stream and CTV. UGC Copilot lets you re-render the same script across all three aspect ratios from one project, so you don't have to rebuild for each platform.
Can I crop a 9:16 video down to 1:1 instead of re-rendering?
You can, but quality drops. Cropping pushes the subject off-center and clips text overlays placed in safe zones. The better approach is rendering each aspect ratio natively — most AI video engines support all three. UGC Copilot handles this by re-running the scene generation with the target aspect ratio rather than post-crop.
Should I letterbox a 16:9 horizontal video for vertical placements?
No — letterboxed video has 30–50% lower hook rate on vertical placements because the wasted bars look like an upload mistake. Always render natively in the target aspect ratio. UGC Copilot regenerates each scene at the new aspect ratio rather than cropping or letterboxing the existing render.