WebMMP4
Free online converter. No signup, no watermark. Just drop your file.
Tap to upload or drop a file
.webm files · Max 100MB
How it works
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Drop .webm
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Get .mp4
About WebM and MP4
What is WebM?
WebM is an open-source video format optimized for the web, using VP8/VP9 codecs for efficient streaming.
What is MP4?
MP4 is the most universally supported video container format, compatible with virtually every device and platform.
FAQ
Is this free?
Yes, completely free. No signup, no watermarks, no hidden fees.
Is my file safe?
Files are converted on our servers and immediately deleted. We never store or share your files.
What's the maximum file size?
You can convert files up to 100MB.
When should I convert WebM to MP4?
Convert to MP4 when you need to share videos on social media, play them on TVs or mobile devices, or edit in most video editors.
Will the file size change?
File size depends on encoding settings. Both formats support efficient compression, so sizes are typically comparable.