What video formats are supported?

Any format your browser can play natively (MP4/H.264, WebM, etc.) — the check uses the browser's built-in element.

Does this tool upload my video anywhere?

No — metadata is read locally in your browser; the video file is never sent to a server.

Check a video’s duration and resolution.

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Choose a video

Files never leave your device — this runs entirely in your browser.

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1
Choose a video

Up to 200 MB.
2
Info read instantly

Duration and pixel width/height, from the video's own metadata.
3
No upload needed

Only the metadata is read — the video is not decoded or re-encoded.

What video formats are supported?: Any format your browser can play natively (MP4/H.264, WebM, etc.) — the check uses the browser's built-in <video> element.
Does this tool upload my video anywhere?: No — metadata is read locally in your browser; the video file is never sent to a server.