Crop Video / Change Aspect Ratio

Center-crop a video to square (1:1), vertical (9:16), 4:5 or 16:9 — perfect for social media. Outputs MP4.

Your video is never uploaded. Everything is processed inside your browser.

Drag & drop a video or click to choose (MP4 / WebM / MOV…)

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About this tool

This free tool crops a video to a chosen aspect ratio such as square or vertical. Turn a landscape video into a 1:1 square for Instagram, or 9:16 for TikTok/Reels. It center-crops, trimming the extra sides or top/bottom. Your video is never uploaded; everything runs in your browser.

FAQ

Q. Where does it crop from?

A. From the center. The white box in the preview shows the crop area.

Q. It says a server is required.

A. The engine can't run from file://. Please use it on the live website (https://).

Q. What's the output format?

A. MP4 — ready to post to most social platforms.