MP4 to WebM Converter Free Online
Convert MP4 videos to modern WebM format. VP9 encoding provides better compression efficiency and web-optimized performance.
Conversion Settings
Upload MP4 Files
Drag and drop MP4 files here, or click to select files
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How to Convert MP4 to WebM
Upload MP4 File
Drag and drop your MP4 file or click to browse and select files
Configure Settings
Choose WebM quality, VP9 codec settings, and compression options
Convert & Download
Click convert and download your optimized WebM file
Open Source Standard
Privacy & Security
All conversion happens locally in your browser. Your files never leave your device, ensuring complete privacy and security.
Lightning Fast
Instant conversion without uploading or downloading. No waiting time, no file size limits, just pure speed.
High Quality Output
Maintain original quality with advanced conversion algorithms. Choose from multiple quality settings to suit your needs.
Completely Free
No hidden costs, no subscriptions, no watermarks. Use our converter as many times as you want, absolutely free.
Frequently Asked Questions
What is WebM format?
WebM is an open, royalty-free media file format designed for the web. It uses VP8 or VP9 video codecs and Vorbis or Opus audio codecs.
Why convert MP4 to WebM?
WebM offers better compression efficiency and is optimized for web streaming. It's also completely open-source and royalty-free.
Is the conversion free?
Yes, our MP4 to WebM converter is completely free with no limits on file size or number of conversions. No registration required.
Are my files safe?
Absolutely! All conversion happens in your browser using WebAssembly. Your files never leave your device, ensuring complete privacy and security.