MP4 to WebM Converter
No software needed. Convert MP4 to WebM right here, right now. Your files never leave your device.
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About MP4 to WebM Conversion
Adapt your video content for any platform or device. From social media to professional editing software, our converter ensures your videos play perfectly wherever they're needed.
How to Convert MP4 to WebM
Converting files has never been easier or more secure. MixConvert uses advanced browser-based technology to process your files instantly without uploading them to a remote server. Follow these simple steps to get started:
- Select Your Files: Select your MP4 files by clicking the upload zone or dragging them directly onto the page.
- Choose Output Format: Confirm WebM is set as the destination format in the format selector.
- Convert Instantly: Click the convert button to begin. Your MP4 files will be processed locally in seconds.
- Download: Save your new WebM files directly to your device. Batch download available for multiple files.
MP4 to WebM FAQ
Can I convert MP4 to WebM on mobile devices?
Absolutely! Our converter is fully responsive and works on any smartphone or tablet. Just visit this page, upload your MP4 files, and convert them to WebM format—no app required.
Is my data secure when converting MP4 files?
100% secure. Unlike cloud converters, MixConvert processes your MP4 files entirely on your device using WebAssembly. Your data stays on your computer—we never see it.
How large can my MP4 files be?
We don't impose file size restrictions. Your browser handles the conversion, so the limit depends on your device's memory. Typical computers can process very large MP4 files without issues.
What's the conversion speed for MP4 files?
Conversion is nearly instant for typical MP4 files. Your device's processor handles the work, so faster devices complete WebM conversion more quickly.
Does MixConvert support converting multiple MP4 files at once?
Batch conversion is fully supported. Upload as many MP4 files as you need and convert them all to WebM in one go. A ZIP download option makes it easy to save everything.
What codec is used for WebM output?
WebM output uses widely-compatible, efficient codecs. Our converter balances quality and file size, though you can expect excellent visual results from your converted videos.
Understanding the Formats
MP4
MPEG-4 Part 14
The universal video format supported by virtually all devices and platforms. The go-to choice for video distribution.
WebM
Web Media
Open-source video format designed specifically for web use. Excellent compression with HTML5 native support.
Reverse Conversion
WebMMP4More MP4 Conversions
Convert MP4 to other formats