MKVToolnix v53.0.0

MKVtoolnix is ​​a set of tools for creating and modifying MKV files. The application is comand-line based, but the Windows version has a graphical interface called the MKVmerge GUI.

There is an amazing list of supported input formats. Although this application is more for advanced users, anyone can use it to perform basic tasks. For example, when you add a video file, MKVtoolnix will return you how many parts the file contains. For example, for an XVID clip, it returns the XVID video part and the AC3 audio part. When you are ready to convert files to MKV, just click the Start muxing button at the bottom of the page.

This free program has options for subtitles, video, audio and format-specific settings. In short, MKVtoolnix can offer a lot of functionality, but when it comes to video files, you can really appreciate its capabilities.

MKVToolnix is ​​a package of tools for working with the Matroska container format (MKA and MKV) and more precisely collecting individual streams (video, audio, subtitles, etc.) in the appropriate format and splitting an MKA / MKV file into its constituent streams. The program offers full use of the capabilities of the Matroska format: embedding more than one stream for video, audio and subtitles, embedding fonts and other files, splitting, creating so-called chapters and more.
License: Free GPL.

Whats New in MKVToolnix 53.0.0:

## New features and enhancements

* mkvmerge: AVI reader: added support for reading the video aspect ratio from
the video properties header (`vprp` chunk) if present and setting the
display dimensions accordingly. Implements # 2993.
* mkvmerge: MP4 reader: for h.264 / AVC tracks that don’t have an
`AVCConfigurationBox` (` avcC` atom) in their sample description (`stsd`)
atom or whose `avcC` atom contains no content` mkvmerge` will now re-derive
the `AVCConfigurationBox` from the bitstream. Implements # 2995.
* mkvextract: mkvextract will now check if any of the destination file names
is the same as the source file name and abort with an error if that’s the
case. Implements # 3001.
* MKVToolNix GUI: when querying the user for a file name for saving things
(eg multiplexer settings or an attachment in the header editor), the
automatically suggested file name will now be based on the
situation-specific file names (eg the destination file name for
multiplexer settings or the attachment’s name when saving an attachment in
the header editor) instead of the directory’s name. Implements # 3012.
* MKVToolNix GUI: multiplexer: when deriving track languages ​​from file names
the GUI will now select the right-most match instead of the left-most
one. For example, “La.vie.en.rose. (Fr) .srt” will now be detected as French
(fr) instead of English (en). Implements # 3013.
* MKVToolNix GUI: preferences: the items in the “pre-defined lists” lists can now
be renamed by double-clicking with the mouse or pressing the F2 key.
* Windows installer: the `bluray_dump` command-line utility will be installed
into the `tools` sub-directory. `bluray_dump` can read & dump certain file
types used on Blu-rays: `.mpls` playlists,` .clpi` clip information
databases, `.bdmv` index files,` bdmt_… .xml` disc library databases and
`tnmt_… .xml` track & chapter name databases.

## Bug fixes

* mkvmerge: stretching chapter timestamps with `–chapter-sync` now works
correctly with floating point values ​​including fractions of floating point
numbers (eg `12.3 / 45.67`). The tooltips in the GUI have been adjusted
accordingly. Fixes # 3002.
* mkvmerge: MPEG 1/2 video handling: the “default duration” header field was
often half the value it actually should be, resulting in all video frames
having an explicit block duration with the correct value. This has been
fixed with a patch by Tom Yan.
* mkvmerge: MPEG 1/2 video handling: the data stored in `Codec private` and
`Codec state` does not contain extensions other than sequence & sequence
display extensions anymore. Fix by Tom Yan.
* mkvmerge: tag handling: when remuxing a Matroska file with the
`–No-track-tags`, existing` SOURCE_ID` track tags are now skipped, too.
* MKVToolNix GUI: multiplexer: the drop-down boxes with pre-defined track
names now follow the order set in the preferences instead of sorting the
entries alphabetically. Fixes # 2999.

Official page
Download: MKVToolnix 53.0.0 for Windows 32-bit (18.0 MB)
Download: MKVToolnix 53.0.0 for Windows 64-bit (18.6 MB)

Download: MKVToolnix 53.0.0 Portable for Windows 32-bit (16.6 MB)
Download: MKVToolnix 53.0.0 Portable for Windows 64-bit (17.4 MB)

Download: MKVToolnix 53.0.0 for Linux (41.8 MB)
Download: MKVToolnix 53.0.0 for MacOS (38.9 MB)


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