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

MKVToolNix (64-bit)

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MKVToolNix 64.0.0 (64-bit)

  -  23.57 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 64.0.0 (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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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 64.0.0 (64-bit)

  • MKVToolNix 64.0.0 (64-bit) Screenshots

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    MKVToolNix 64.0.0 (64-bit) Screenshot 1
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What's new in this version:

New features and enhancements:
- MKVToolNix GUI: language dialog: when the user switches between the two edit modes, the mode's corresponding first control is automatically focussed

Fixed:
- All: language lists: the entries for "Ancient Greek (to 1453)" and "Modern Greek (1453-)" have been renamed to "Greek (ancient, -1453)" and "Greek (modern, 1453-)" respectively in order to be easier to find.
- Mkvmerge: VobSub reader: files containing `id: --` lines to indicate that the track language isn't known were rejected by `mkvmerge`. Now they're accepted, and `und` (undetermined) is used as the language.
- MKVToolNix GUI: chapter editor: the "Save to Matroska or WebM file" function was using the wrong standard file dialog (the "open file" one instead of "save"), leading to confusing button names.
- MKVToolNix GUI: high DPI scaling: fixed the icons in the tool selector having the wrong size for scaling factors other than 100% or 200%

Build system changes:
- The bundled `fmt` library was updated to v8.0.1
- The bundled `nlohmann-json` library was updated to v3.9.1
- The bundled `pugixml` library was updated to v1.11 revision 6a76cac
- The bundled `utf8-cpp` library was updated to v3.2 revision b85efd6

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