How to Install MKVToolNix 9.9.0 in Ubuntu 16.04, 16.10

February 22, 2017


MKVToolNix, the free and open source Matroska libraries and tools, has reached the 9.9.0 release a few days ago. Here’s how to install it via PPA in Ubuntu 16.04, Ubuntu 16.10, and Linux Mint 18.

MKVToolNix 9.9.0 release highlights:

  • chapter editor: added a character set selection in the preferences for text files.
  • multiplexer: added a column “character set” to the “tracks, chapters and tags” list view showing the currently selected character set for that track.
  • mkvmerge: added an –engage option “all_i_slices_are_key_frames”
  • mkvmerge: MP4 reader: “ctts” version 1 atoms are now supported.
  • DVB subtitle tracks whose CodecPrivate data now is up to the proper five bytes long
  • Various MP4 input module fixes and other fixes.

How to Install MKVToolNix 9.9.0 via PPA:

The new release is available in its official Linux repository for Ubuntu 16.04, and Ubuntu 16.10.

1. Open terminal from your app launcher or via Ctrl+Alt+T shortcut key. When it opens, run command to add the key:

wget -q -O - | sudo apt-key add -

Type in your password (no visual feedback), and hit enter


2. Then go to System Settings -> Software & Updates -> Other Software tab, click Add and paste following line to add the official repository:

deb xenial main

replace xenial (16.04) with yakkety for Ubuntu 16.10.


3. Finally you’re able to upgrade MKVToolNix from previous release via Software Updater


Or install it via commands:

sudo apt update

sudo apt install mkvtoolnix mkvtoolnix-gui

I'm a freelance blogger who started using Ubuntu 5+ years ago and wishes to share my experiences and some useful tips with Ubuntu beginners and lovers. Please notify me if you find any typo/grammar/language mistakes. English is not my native language. Contact me on Google Plus or email to

2 responses to How to Install MKVToolNix 9.9.0 in Ubuntu 16.04, 16.10

  1. version 9.9.0 not work in Ubuntu 10.04 or 14.04?