Video Conversion
Convert WEBM to MKV
Convert .webm files to .mkv format locally on your desktop. Fast, private, completely offline. Nothing leaves your machine.
.webm
InputLOCAL
.mkv
OutputHow to convert WEBM to MKV
1
Open dotformat
Launch the app and drag your .webm file into the window.
2
Select MKV
Choose MKV from the format picker. It'll be auto-suggested for video files.
3
Done
Click convert and your .mkv file is saved instantly.
About video conversion
Video transcoding with FFmpeg. Hardware-accelerated encoding for fast processing on your machine.
All video conversions run entirely on your device. No files are uploaded. Your data stays private.
Key details
Input format: .webm (WEBM)
Output format: .mkv (MKV)
Category: Video
Processing: 100% local
File size limit: None
Convert WEBM to MKV now
Download dotformat and start converting in seconds. Free forever.