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MKVToolNix is a free and open source, multi-platform, universal and powerful set of tools for working with MKV format files


  • MKVToolNix supports working with many video codecs and subtitle formats (AVI, DivX, XviD, MP4, ASF, MOV, WMV AAC, AC3, MP3, OGG and many others);
  • It is possible to edit videos: cut and glue (split/merge) video fragments, add/remove audio tracks and subtitles (SRT, ASS, SSA and VobSub);
  • It is possible to convert video files of various formats to MKV format;
  • It is possible to edit the headers;
  • It is possible to add and edit chapters;
  • It is possible to view technical information about the file;
  • It is possible to change the frame rate (FPS), or set the playback delay (for synchronization of sound and image), as well as change the aspect ratio and more.

Screenshots Software


The software MKVToolNix is available for installation on Linux, Windows and macOS.

Installation methodOS
DebUbuntu* 16.04/18.04/19.04/20.04, Linux Mint 18/19, Debian
RPMopenSUSE, Rosa Linux, Mageia, ALT Linux, Fedora, CentOS, Red Hat Enterprise Linux and others
FlatpakUbuntu, Linux Mint, Debian, Arch Linux, Fedora, CentOS, KDE Neon, openSUSE, elementary OS, Manjaro, Red Hat Enterprise Linux
AppImageUbuntu, Fedora, openSUSE, CentOS, elementaryOS, Linux Mint and others

*Ubuntu (GNOME), Kubuntu (KDE), Xubuntu (XFCE), Lubuntu (LXDE)

Install Software via Deb package

Install Software via RPM package

Install Software via Flatpak package

flatpak install flathub org.bunkus.mkvtoolnix-gui

Install Software via AppImage package

Install Software via EXE package on Windows

Install Software via DMG package for macOS

Software Information

Language Interface:English, Russian, Deutsch, Spanish, French and others
Description version:61.0.0
Developer:Moritz Bunkus
Programming language:C++, Qt
License:GPL v2

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