Convert MKV to WEBM

Converting MKV videos to WEBM format is essential for web performance optimization and smaller file sizes. MKV files are flexible container supporting multiple streams, while WEBM offers modern open-source format with excellent compression. This conversion is commonly needed for high-quality archival, multiple audio tracks, subtitles to web optimization, HTML5 video, YouTube.

Why Convert MKV to WEBM?

WebM offers modern compression for MKV content. Great for reducing file sizes while converting high-quality MKV videos for web use. Our browser-based converter uses FFmpeg.wasm to handle this conversion without uploading files to any server, ensuring complete privacy and fast processing.

How to Convert MKV to WEBM

Simply drag your MKV files into the upload zone, select WEBM as the output format, and click Convert. The tool processes videos locally using FFmpeg compiled to WebAssembly, maintaining quality while converting to WEBM format. Download individual files or get everything as a ZIP archive for batch conversions.