WebM to MP4
Convert WebM videos to MP4 in your browser. Your video never leaves your device, and there's no upload to wait for.
How to use WebM to MP4
- 1Select your WebM video
Click the button or drag a video onto the page.
- 2Check the settings
MP4 is already selected. Choose a quality if you want a smaller file.
- 3Convert and download
Click Convert and download your MP4 file.
Common questions
Why convert WebM to MP4?
WebM is made for web browsers. MP4 also plays on phones, TVs, editors and social media apps.
Is my video uploaded anywhere?
No. Converting happens inside your browser using your device's own video encoder. Your video is never sent to a server.
How long does it take?
Usually less than the video's length on a modern computer. When the video can be copied without re-encoding, it takes only seconds.
Is WebM to MP4 free?
Yes, completely free, with no sign-up and no watermark.