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Is there a way I can remove subtitle data from an .mkv?

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1 Answer 1

up vote 9 down vote accepted

Use MkvToolNix. The mkvmerge tool can do exactly what you want. It's a very capable Matroska manipulator and should be able to remove any kind of stream from an MKV without recoding all the other streams.

  • On Windows, download the latest version from here. Just run the installer.
  • On Linux, you can find the package mkvtoolnix in your repository, or alternatively download them from the homepage.
  • On OS X, the easiest way would be to install mkvtoolnix through Homebrew.

I think one of these commands will do what you want:

# assume input.mkv has 3 subtitle tracks
# remove subtitle track 2 (copy 1&3) from input.mkv & save to output.mkv
mkvmerge -o output.mkv --stracks 1,3 input.mkv

# remove all subtitles (copy none)
mkvmerge -o output.mkv --nosubs input.mkv
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I have found the output files from MkvToolNix (mkvmerge) to be unusable by some players & converter (ArcSoft VideoConverter in particular - I was trying to strip the subtitles prior to converting them for viewing on my iPhone). –  jeffreypriebe Mar 4 '13 at 2:48
Usage note: The track numbers supplied to --stracks are not 1 (first subtitle), 2 (second), 3 (third), etc. Use mkvinfo input.mkv to enumerate the tracks in the .mkv first (e.g. track 0 may be video; 1,2,3 may be audio; 4,5,6 may be subtitles) then use the 0-based track number with the --stracks switch. In quack's example above this might be --stracks 4,6 –  AlwaysLearning Jan 4 at 11:01

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