WebM to MP4
Convert WebM videos to H.264 MP4 for phones, editors and social networks. Free, no sign-up, no upload: the conversion runs in your browser.
Accepted: WEBM · Max 1 GB per file
Processed on your device — nothing is uploaded.
How to convert WebM to MP4
Drop your WebM files above, or choose them on your device.
Pick the quality and resolution, then click Convert.
Download the files one by one, or all together as a ZIP.
Your files are converted directly in your browser with ffmpeg: they are never uploaded, nothing leaves your device.
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