How to Use the Video Aspect Ratio Blur Padding
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1
Upload horizontal video.
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2
Select target format (9:16 Reels/Shorts, 1:1 Square, or 4:5).
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3
Preview canvas with blurred background borders and export formatted reel.
Practical Example & Use Case
Common Real-World Scenario
Repurposing a landscape YouTube video for Instagram Reels without awkward black bars.
Technical Notes & Limitations
Browser Engine Architecture
Rendered client-side onto Canvas.
Frequently Asked Questions
Why blurred background instead of black bars?
Blurred mirror reflections look significantly more professional and modern on mobile feeds.