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In previous versions of QuickTime you could remove the audio track and save the file. This function appears to have been removed in QuickTime 10.

Is it still possible?

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Audio tracks can be removed from QuickTime movies using Automator.

This workflow

as shown here

will remove the audio track from all the files in the Movies folder on the desktop.

Note this will remove the audio tracks in situ so please take a copy of them if you want to keep the audio.

  • Note that this will disable the audio track temporarily only. It doesn't completely remove the audio. You have to export the video afterwards, then the audio is gone. – LinusGeffarth May 31 '18 at 17:11
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    When I try to run this work flow ı am getting this error The action “Enable or Disable Tracks” encountered an error: “NSWindow drag regions should only be invalidated on the Main Thread!” – Olcay Ertaş Jul 10 '18 at 8:21
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What you are looking for is a demultiplexer or demux utility. Which one to use can depend on your specific file container format.

  • Quicktime Player 7 had the features you remember for demuxing individual tracks. Apple claims it can still be installed. You may need the Pro feature set though I'm not sure they would sell you a key anymore.
  • Subler is a muxer that will do MP4 files. It can demux as well.
  • Squared5 claims to do the job for MOV files.
  • FFMPegX provides a Mac OS GUI for many media libraries that can mux/demux most anything.
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    FYI, the command that allows you to delete the audio track in Quicktime Player 7 is Window>Show Movie Properties. Unfortunately, that is a Pro feature, and Apple no longer sells QuickTime Pro. Fortunately, if you do happen to have a key, it will still work, as there's no online verification of the registration code. Just remember to quit and restart the app after you register. – Calion Mar 29 '18 at 5:51
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Avidemux is an opensource tool for Mac/Win/Linux that does the job. Load your file, and in the Audio menu pick Choose Audio Track, then disable the audio track, and save to a new file. Make sure Video stays on copy.

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