FREE VIDEO TOOL
WebM to MP4 Converter
Convert WebM videos to MP4 (H.264, AAC) for the widest compatibility across devices and editing software.
Drop your WebM video here
Multiple files supported
Why Use Our WebM to MP4 Converter?
Universal Compatibility
Converts to H.264 video and AAC audio, the format every device, editor, and platform can open without issue.
Batch Convert Multiple Files
Drop in as many WebM files as you need and convert them one after another.
100% Private
Your videos are never uploaded anywhere. Conversion runs locally in your browser.
No Sign-up Required
Open the page and start converting immediately. No account, no install, no fees.
Frequently Asked Questions
Is my video uploaded to a server?
No. Conversion runs entirely in your browser.
Why convert WebM to MP4?
MP4 with H.264/AAC is supported by essentially every device, video editor, and platform, while WebM support is more limited outside browsers.
Will this re-encode my video?
Yes. WebM and MP4 use different codecs, so this always re-encodes rather than just repackaging the file.
Is this tool free?
Yes. It's free to use with no sign-up.
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