MP4 to WebM Converter
Convert any video format to WebM while preserving quality. No upload required - everything happens securely in your browser.
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This tool requires the WebCodecs API, which is not supported in your browser. Please use Chrome, Edge, or Firefox for the best experience.
Select a video file
Drag and drop or click to browse
Converts MP4, MOV, AVI, and more to WebM
How it works
This tool uses advanced browser technologies to convert your video files directly on your device. We do not upload your video to any server. This ensures your content remains private and secure.
- Select a video file from your computer or enter a URL
- The tool converts your video to WebM format
- Original resolution and quality are preserved
- Supports MP4, MOV, AVI, MKV, and many other formats
- Preview the converted video before downloading
- See file size and resolution information