Video tools
Convert WebM to MP4
Convert a WebM video to MP4 for wide compatibility across devices, editors and social platforms.
or drop it here
Supported video formats, up to 90 MB
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Convert WebM to MP4 without installing anything
- 01
Compatible output
MP4 plays reliably across devices and browsers, so your WebM video works everywhere.
- 02
Quality and size controls
Choose a quality preset, resolution and whether to keep the audio track.
- 03
No installation required
Convert WebM to MP4 directly in your browser, with no software to install.
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Supported files and limits
- Input format
- WebM
- Output format
- MP4
- Maximum size
- 90 MB per video
- Audio
- Kept or muted, your choice
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How to convert WebM to MP4
- 1
Upload the WebM
Choose or drop a WebM video of up to 90 MB.
- 2
Choose options
Pick a quality preset, resolution and audio option.
- 3
Convert and download
Start the conversion, then download your MP4 video.
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Frequently asked questions
Will converting WebM to MP4 reduce quality?
Choosing the High quality preset keeps the result as close as possible to the source video.
Is my video kept after converting?
No. The converter returns the result without keeping a copy of your video.
Can I convert other formats to MP4?
Yes, the general video converter supports more input formats and lets you pick the output format yourself.