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Change Video Shape and Dimensions Online

Turn a video into a circle, square or rectangle and save the result as MP4.

✓ Completely free✓ On-device processing✓ MP4 export
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Clear interfaceSimple steps and a direct result

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Fast performanceBuilt for mobile and desktop

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Privacy firstProcessing stays on your device

What is Change video shape?

Turn a video into a circle, square or rectangle and save the result as MP4. The tool runs directly inside your browser, so files are never uploaded to the website or stored on a server.

Reshape your video from a modern mobile or desktop browser without installing additional editing software.

How to Use Change Video Shape

1Choose a video from your device
2Adjust the settings for the result you need
3Process the file and download the result immediately

Change a Video into a Circle, Square or Rectangle

Nujiz Change Video Shape lets you present footage inside a circle, square or rectangle rather than simply changing its resolution. Choose the shape, available dimensions and the way the source video fits inside the new frame, preview the result and export it as MP4. It is useful for profile-style videos, social layouts and designs that require a specific frame shape.

Cover versus Contain

Cover enlarges the video enough to fill the selected frame, which can crop content near the edges. Contain keeps the source visible within the available area and may leave space around it. Choose Cover when filling the frame matters most and Contain when preserving more of the original scene is the priority.

Circular video and background colour

The tool supports a circular frame as well as square and rectangular layouts. Because the MP4 output does not provide the same transparent background behaviour as an image format, the selected background colour appears outside the circular video area. Pick a colour that works with the destination where the clip will be displayed.

Check framing before export

If a face, product or other important subject is close to an edge, check the preview carefully when using Cover or a narrow output shape. Changing the frame can exclude parts of the source, while Contain can preserve more of the original composition.

Frequently Asked Questions

Which video shapes are available?

The tool supports circle, square and rectangle layouts with the dimensions available in the interface.

What is the difference between Cover and Contain?

Cover fills the frame and can crop edges, while Contain keeps the video inside the frame and may leave surrounding space.

Is the area outside a circular video transparent?

No. The MP4 output uses the selected background colour outside the circular video area.

What format is exported?

The reshaped video is exported as MP4.

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