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

MKVToolNix (32-bit)

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MKVToolNix 52.0.0 (32-bit)

  -  17.56 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 52.0.0 (32-bit).


For those interested in downloading the most recent release of MKVToolNix (32-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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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download MKVToolNix 52.0.0 (32-bit)

  • MKVToolNix 52.0.0 (32-bit) Screenshots

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    MKVToolNix 52.0.0 (32-bit) Screenshot 1
  • MKVToolNix 52.0.0 (32-bit) Screenshot 2
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What's new in this version:

New features and enhancements:
- MKVToolNix GUI: job queue: the maximum number of jobs to run concurrently can now be increased in the preferences. The default remains at 1.
- MKVToolNix GUI: the GUI will now add a context-specific default extension to file names selected for saving on platforms that don't add one itself (e.g. GNOME). For example, when saving multiplexer settings the extension `.mtxcfg` will be added.
- MKVToolNix GUI: added an option to the preferences for the window to stay on top of other windows

Bug fixes:
-  mkvextract: h.265/HEVC extraction: the code for skipping extraction of prefix SEI NALUs in the first frame was skipping two bytes too few, resulting in broken processing of all following bytes. Patch by Mike Chen.
-  libEBML: the optional, bundled version of libEBML was updated to v1.4.1

Build system changes:
-  libEBML v1.4.1 is now required due to a bug in libEBML that caused pointers to just-freed memory being returned to the caller under certain invalid data constellations, causing use-after-free errors in all of MKVToolNix's programs.

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