Change Video Aspect Ratio

Change a video's aspect ratio in your browser. Choose fit or fill, resolution, quality and audio.

Stays on your deviceYour video never leaves your device.

Aspect ratio

Place a video into a new aspect ratio without it leaving your device.

Preview

No video selected yet.

No video selected yet.

How it works

Step by step

  1. 1

    Select video

    Choose a local video file. Container, duration and visible resolution are analyzed in the browser.

  2. 2

    Choose aspect ratio

    Choose a preset or custom ratio and decide between fit and fill.

  3. 3

    Export locally

    Review the plan, start local processing and download the result.

Features

Local with no upload

Video, settings and output stay on your device.

Fit or fill

Keep the full frame with letterbox areas or fill the canvas with a proportional crop.

MP4 or WebM

The video track is re-encoded locally and then downloaded.

Frequently asked questions

Is my video uploaded?

No. Analysis, conversion and export run locally in the browser.

Is the video stretched?

No. Fit and fill preserve the source aspect ratio. Fill can crop edges.

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