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Welcome to the File Converter

Upload your file to start converting. Choose a file from your device or use a remote file link.

${shortenFileName(item.file_name)} ${formatBytes(item.file_size)}
Output:
Add ${items.length} files

How to Convert Webm to MKV?

  1. Click the “Choose WEBM Files” button and select your WEBM file
  2. Click on the “Convert” button to start the conversion
  3. When the status changes to “Done”, click the "Download MKV" button

Convert Any WEBM to MKV

This tool supports converting many types of Webm to MKV. Convert MP4, AVI, MKV AND OGV to MKV.

Best Webm Converter

Convert your Webm with perfect quality, size, and compression. Plus, you can also batch convert Webm using this tool.

Free & Secure

Our Webm Converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically delete after a few hours.

WEBM 是一种开源视频格式,专为网络视频流传输而优化,广泛应用于网页视频播放。它采用了 VP8 或 VP9 视频编码和 Vorbis 或 Opus 音频编码,支持高效的流媒体传输。更多信息请参考 WEBM Wikipedia

如何打开WEBM文件?

可以使用 VLCGoogle Chrome 打开,支持广泛的浏览器和流媒体播放器。

MKV(Matroska Video)是一种开源多媒体容器格式,支持多种视频、音频、字幕轨道,并可存储高清和 4K 内容。

如何打开MKV文件?

可以使用 VLCMPC-HCMKVToolNix 播放和编辑。

Your Data, Our Priority

At AllConverter, we go beyond just converting files—we protect them. Our robust security framework ensures that your data is always safe, whether you're converting an image, video, or document. With advanced encryption, secure data centers, and vigilant monitoring, we've covered every aspect of your data's safety.

Learn more about our commitment to security

SSL/TLS Encryption
Secured Data Centers
Access Control and Authentication
Firewall & IDS/IPS