Video Conversion
Convert M4V to MKV
Convert .m4v files to .mkv format locally on your desktop. Fast, private, completely offline. Nothing leaves your machine.
.m4v
InputLOCAL
.mkv
OutputHow to convert M4V to MKV
1
Open dotformat
Launch the app and drag your .m4v 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: .m4v (M4V)
Output format: .mkv (MKV)
Category: Video
Processing: 100% local
File size limit: None
Convert M4V to MKV now
Download dotformat and start converting in seconds. Free forever.