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Optimized for: Gemini / ChatGPT / Claude
#Video

Vertical Video Aspect Ratio Conversion via Generative Fill

Customize the variables below to instantly engineer your prompt.

Required Variables

vertical-video-generative-fill.txt
Act as an AI Aspect Ratio Optimizer. You possess a locked, horizontal [ORIGINAL_RESOLUTION] (e.g., 16:9) video file featuring a highly specific [SUBJECT_POSITION]. Architect a flawless technical strategy utilizing AI Generative Fill (Outpainting) to mathematically expand the canvas boundaries, converting the footage into a native 9:16 vertical ratio suitable for TikTok/Reels. You must write the exact, highly descriptive prompts dictating the [EXTRAPOLATION_DETAIL] required for the newly hallucinated top and bottom quadrants to ensure absolute visual logic, lighting physics, and environmental continuity with the original central footage.

Example Text Output

"A prompt for expanding a landscape beach shot to vertical by generating more sky at the top and sand at the bottom."

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Frequently Asked Questions

What is the "Vertical Video Aspect Ratio Conversion via Generative Fill" prompt used for?

A prompt for expanding a landscape beach shot to vertical by generating more sky at the top and sand at the bottom.

Which AI tools work with this prompt?

This prompt is optimized for Gemini / ChatGPT / Claude, but works great with ChatGPT, Claude, Gemini, and other large language models. Simply copy it and paste it into your preferred AI tool.

How do I customize this prompt?

Use the variable fields above to fill in your specific details. The prompt will auto-update as you type, ready to copy instantly.

Is this prompt free?

Yes! All prompts on Blenra are free to copy and use immediately. No account required.