Create, modify and inspect Matroska (MKV) files for Windows PC

MKVToolNix (64-bit)

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MKVToolNix 32.0.0 (64-bit)

  -  15.73 MB  -  Open Source
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of MKVToolNix 32.0.0 (64-bit).


For those interested in downloading the most recent release of MKVToolNix (64-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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Download MKVToolNix 32.0.0 (64-bit)

  • MKVToolNix 32.0.0 (64-bit) Screenshots

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    MKVToolNix 32.0.0 (64-bit) Screenshot 1
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What's new in this version:

New features and enhancements:
- mkvinfo: when sizes are output the size of the element's data portion is output in addition to the element's total size
- MKVToolNix GUI: info tool: the element's data portion is shown as an extra column
- MKVToolNix GUI: multiplexer: added column "Delay" to the track list containing the additional delay to apply during multiplexing

Bug fixes:
- all: fixed handling of Unicode code points > U+FFFF
- mkvmerge: Windows: mkvmerge was crashing with an exception when trying to identify certain files that can be used on Blu-rays (such as MPEG transport streams of MPLS play list files) and when the file name was given as a UNC path (e.g. `\servernamesharenamepathtofile.m2ts`). The GUI emitted errors such as "the JSON output could not be parsed" in that case
- MKVToolNix GUI: the portable mode wasn't detected correctly when the current working directory the GUI was started from wasn't the directory the GUI's executable file was located it. Examples for when this is the case are Windows' "send to" or "open with" functions
- MKVToolNix GUI: multiplexer: using button to change the current destination directory to one of the recently used ones did not update the file name according to the "make file name unique" setting
- MKVToolNix GUI: multiplexer: the function "set destination file name from selected file's name" will now only change the destination file's name but not its path

Build system changes:
- libEBML v1.3.7 and libMatroska 1.5.0 are now required as they fix their handling of Unicode code points > U+FFFF

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