Free MP4 to WebM Converter
Convert MP4 to WebM for free in your browser. Perfect for web optimization and HTML5 video. Reduce file size while maintaining quality. No upload required - 100% private and secure.
Why Use Konverton for MP4 to WebM Conversion?
Format Conversion
Convert between MP4, WebM, AVI, MKV, MOV, and other video formats. Adjust video bitrate and quality for optimal results.
Quality Control
Adjust video bitrate from 500k to 8M for optimal quality and file size. Choose the perfect balance for your needs.
100% Private
All conversions happen in your browser. Your files never leave your device.
Batch Processing
Convert multiple video files at once with batch processing. Apply the same settings to all files for efficient workflow.
Technical Specifications
MP4 Input:
- Video: H.264/H.265 codec
- Audio: AAC codec
- Universal device support
- Larger file sizes
WebM Output:
- Video: VP8/VP9 codec
- Audio: Vorbis/Opus codec
- Optimized for web streaming
- 20-50% smaller files