How to convert WEBM to MKV
1. Upload WEBM
Select or drag and drop your WebM file into the converter.
2. Choose MKV
Select MKV as your output format. You can process multiple files at once.
3. Download
Click convert and download your new MKV file instantly.
Format Details
WebM
WebM is an open, royalty-free media format designed for the web, typically using VP8/VP9/AV1 video and Vorbis/Opus audio.
MKV
MKV (Matroska Video) is a flexible open container that can hold multiple video, audio, and subtitle tracks in one file.
Frequently Asked Questions
How do I convert WEBM to MKV?
Upload your WEBM file on Convertek, select MKV as the output format, then click Convert. Your MKV file will be ready to download instantly.
Is the WEBM to MKV converter free?
Yes. Converting WebM to MKV on Convertek is completely free with no watermarks. Fair upload limits apply (typically 30 MB per file).
Is my file kept after conversion?
No. Files are processed temporarily and not stored permanently. Converted downloads are available only in your browser session.
What is the difference between WEBM and MKV?
WebM and MKV are different file formats with distinct use cases. Converting between them lets you use your file in software or workflows that require the MKV format.