Video Converter: MP4, WebM and MOV

Convert videos between MP4, WebM and MOV, and optionally scale them down. Uses your browser’s hardware encoders, so nothing is uploaded. Your files stay on your device and are never uploaded.

How to use it

Add a video file.
Drag the handles to trim, and choose an optional maximum height.
Pick the output format and press Convert to download the new file.

Frequently asked questions

Which browsers are supported?

Recent versions of Chrome, Edge and Safari that support the WebCodecs API. Firefox support depends on its version.

Are my videos uploaded?

No. Conversion runs locally in your browser tab.

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