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Video Aspect Ratio Converter

Convert between landscape (16:9) and portrait (9:16). Crop the center for a clean cut, or add black bars to keep the full frame.

What can you use this for?

Repurpose for TikTok & Reels
Convert a landscape YouTube or camera video to 9:16 portrait for TikTok, Instagram Reels, or YouTube Shorts.
Portrait footage for YouTube
Have a vertical smartphone video? Convert it to 16:9 landscape with pillarbox bars for a standard YouTube upload.
Presentation compatibility
Convert a vertical clip to 16:9 so it fits cleanly inside a PowerPoint or Keynote slide without letterboxing.
Instagram feed & Stories
Create both a square-ish landscape post and a vertical Story version of the same video from one source.
Digital signage & displays
Convert horizontal footage to portrait for vertical display screens in retail, exhibitions, or lobby kiosks.
Fix platform rejections
Many ad platforms reject video with the wrong aspect ratio — quickly convert to the required format before upload.