MP4 to WebM Converter
Convert MP4 to WebM for web-optimized video.. Fast, free, and secure online conversion.
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How to Convert MP4 to WEBM
Upload File
Select or drag your MP4 file to the upload area above.
Convert
Your file is automatically converted to WEBM format.
Download
Download your converted WEBM file instantly.
Why Convert MP4 to WEBM?
WebM is an open format optimized for web playback. Convert your MP4 videos for better HTML5 compatibility.
Our free online MP4 to WEBM converter handles your files securely and delivers high-quality results in seconds. No software installation required – works directly in your browser on any device.
Lightning Fast
Conversions complete in seconds
100% Secure
Files auto-deleted after 1 hour
High Quality
Preserves original file quality
Frequently Asked Questions
Is it free to convert MP4 to WEBM ?
Yes, MiConvert offers 100% free MP4 to WEBM conversion. No registration or payment required.
Is my MP4 file secure?
Absolutely. Your files are encrypted during transfer and automatically deleted from our servers within 1 hour.
What's the maximum file size?
Free users can upload files up to 100MB. For larger files, check our Pro plan.
Does it work on mobile?
Yes! MiConvert works on all devices including iPhone, Android, tablets, and desktop browsers.