Lists all known and editable property names, their type (string, integer, boolean etc) and a short description. The program exits afterwards. Therefore the source-filename parameter does not have to be supplied.

Sets the parse mode. The parameter 'mode' can either be 'fast' (which is also the default) or 'full'. The 'fast' mode does not parse the whole file but uses the meta seek elements for locating the required elements of a source file. In 99% of all cases this is enough. But for files that do not contain meta seek elements or which are damaged the user might have to set the 'full' parse mode. A full scan of a file can take a couple of minutes while a fast scan only takes seconds.

Sets the Matroska file section (segment information or a certain track's headers) that all following add, set and delete actions operate on. This option can be used multiple times in order to make modifications to more than one element.

By default mkvpropedit(1) will edit the segment information section.

See the section about edit selectors for a full description of the syntax.

Adds a property name with the value value. The property will be added even if such a property exists already. Note that most properties are unique and cannot occur more than once.

Sets all occurrences of the property name to the value value. If no such property exists then it will be added.

Deletes all occurrences of the property name. Note that some properties are required and cannot be deleted.

Add or replace tags in the file with the ones from filename or remove them if filename is empty. mkvpropedit(1) reads the same XML tag format that mkvmerge(1) reads as well.

The selector must be one of the words all, global or track. For all mkvpropedit(1) will replace or remove all tags in a file. With global only global tags will be replaced or removed.

With track mkvpropedit(1) will replace tags for a specific track. Additionally the tags read from filename will be assigned to the same track. The track is specified in the same way edit selectors are specified (see below), e.g. --tags track:a1:new-audio-tags.xml.

Calculates statistics for all tracks in a file and adds new statistics tags for them. If the file already contains such tags then they'll be updated.

Deletes all existing track statistics tags from a file. If the file doesn't contain track statistics tags then it won't be modified.

Add or replace chapters in the file with the ones from filename or remove them if filename is empty. mkvpropedit(1) reads the same XML and simple chapter formats that mkvmerge(1) reads as well.

Adds a new attachment from filename.

If the option --attachment-name has been used prior to this option then its value is used as the new attachment's name. Otherwise it is derived from filename.

If the option --attachment-mime-type has been used prior to this option then its value is used as the new attachment's MIME type. Otherwise it is auto-detected from the content of filename.

If the option --attachment-description has been used prior to this option then its value is used as the new attachment's description. Otherwise no description will be set.

If the option --attachment-uid has been used prior to this option then its value is used as the new attachment's UID. Otherwise a random UID will be generated automatically.

Replaces one or more attachments that match selector with the file filename. If more than one existing attachment matches selector then all of their contents will be replaced by the content of filename.

The selector can have one of four forms. They're explained below in the section attachment selectors.

If the option --attachment-name has been used prior to this option then its value is set as the new name for each modified attachment. Otherwise the names aren't changed.

If the option --attachment-mime-type has been used prior to this option then its value is set as the new MIME type for each modified attachment. Otherwise the MIME types aren't changed.

If the option --attachment-description has been used prior to this option then its value is set as the new description for each modified attachment. Otherwise the descriptions aren't changed.

If the option --attachment-uid has been used prior to this option then its value is set as the new UID for each modified attachment. Otherwise the UIDs aren't changed.

Sets the properties of one or more attachments that match selector. If more than one existing attachment matches selector then all of their properties will be updated.

The selector can have one of four forms. They're explained below in the section attachment selectors.

If the option --attachment-name has been used prior to this option then its value is set as the new name for each modified attachment. Otherwise the names aren't changed.

If the option --attachment-mime-type has been used prior to this option then its value is set as the new MIME type for each modified attachment. Otherwise the MIME types aren't changed.

If the option --attachment-description has been used prior to this option then its value is set as the new description for each modified attachment. Otherwise the descriptions aren't changed.

If the option --attachment-uid has been used prior to this option then its value is set as the new UID for each modified attachment. Otherwise the UIDs aren't changed.

Deletes one or more attachments that match selector.

The selector can have one of four forms. They're explained below in the section attachment selectors.

Sets the name to use for the following --add-attachment or --replace-attachment operation.

Sets the MIME type to use for the following --add-attachment or --replace-attachment operation.

Sets the description to use for the following --add-attachment or --replace-attachment operation.

Enables the use of legacy MIME types for certain types of font attachments. For example, 'application/x-truetype-font' will be used for TrueType fonts instead of 'fonts/ttf'.

This affects both adding new attachments and replacing existing attachments, but only if the new MIME type isn't specified. Other existing attachments aren't changed.

The affected MIME types are 'font/sfnt', 'font/ttf' and 'font/collection' which are all mapped to 'application/x-truetype-fonts' and 'font/otf' which is mapped to 'application/vnd.ms-opentype'.

Normally when the user requests changes to the 'language' track header property, mkvpropedit(1) will apply the same change to the new LanguageIETF track header element in addition to the legacy Language element. If this option is used, the change is only applied to the legacy Language element.

This option does not affect changes requested via the 'language-ietf' track header property.

Enables normalizing all IETF BCP 47 language tags to either their canonical form with mode 'canonical', to their extended language subtags form with mode 'extlang' or turns it off with mode 'off'. By default normalization to the canonical form is applied.

In the canonical form all subtags for which preferred values exist are replaced by those preferred values. This converts e.g. 'zh-yue-jyutping' to 'yue-jyutping' or 'fr-FX' to 'fr-FR'.

For the extended language subtags form the canonical form is built first. Afterwards all primary languages for which an extended language subtag exists are replaced by that extended language subtag and its prefix. This converts e.g. 'yue-jyutping' back to 'zh-yue-jyutping' but has no effect on 'fr-FR' as 'fr' is not an extended language subtag.

This normalization is only applied to elements that are actually changed:

The best way to normalize all existing language tags in a file is to remux it with mkvmerge(1) and set its '--normalize-language-ietf' option to the desired mode.

Sets the character set to convert strings given on the command line from. It defaults to the character set given by system's current locale.

Sets the character set to which strings are converted that are to be output. It defaults to the character set given by system's current locale.

Writes all messages to the file file-name instead of to the console. While this can be done easily with output redirection there are cases in which this option is needed: when the terminal reinterprets the output before writing it to a file. The character set set with --output-charset is honored.

Forces the translations for the language code to be used (e.g. 'de_DE' for the German translations). Entering 'list' as the code will cause the program to output a list of available translations.

Tells the program to abort after the first warning is emitted. The program's exit code will be 1.

Turn on debugging for a specific feature. This option is only useful for developers.

Turn on experimental features. A list of available features can be requested with mkvpropedit --engage list. These features are not meant to be used in normal situations.

Turns on GUI mode. In this mode specially-formatted lines may be output that can tell a controlling GUI what's happening. These messages follow the format '#GUI#message'. The message may be followed by key/value pairs as in '#GUI#message#key1=value1#key2=value2...'. Neither the messages nor the keys are ever translated and always output in English.

Be verbose and show all the important Matroska elements as they're read.

Show usage information and exit.

Show version information and exit.

Reads additional command line arguments from the file options-file. For a full explanation on the supported formats for such files see the section called "Option files" in the mkvmerge(1) man page.

1.Selection by attachment ID. In this form the selector is simply a number, the attachment's ID as output by mkvmerge(1)'s identification command.

2.Selection by attachment UID (unique ID). In this form the selector is the equal sign = followed by a number, the attachment's unique ID as output by mkvmerge(1)'s verbose identification command.

3.Selection by attachment name. In this form the selector is the literal word name: followed by the existing attachment's name. If this selector is used with --replace-attachment then colons within the name to match must be escaped as \c.

4.Selection by MIME type. In this form the selector is the literal word mime-type: followed by the existing attachment's MIME type. If this selector is used with --replace-attachment then colons within the MIME type to match must be escaped as \c.

$ mkvpropedit movie.mkv --edit info --set "title=The movie" --edit track:a1 --set language=fre --edit track:a2 --set language=ita

$ mkvpropedit movie.mkv --edit track:s1 --set flag-default=0 --edit track:s2 --set flag-default=1

$ mkvpropedit movie.mkv --tags track:s2:new-subtitle-tags.xml

$ mkvpropedit movie.mkv --tags all:

$ mkvpropedit movie.mkv --chapters new-chapters.xml

$ mkvpropedit movie.mkv --chapters ''

$ mkvpropedit movie.mkv --add-attachment Arial.ttf

$ mkvpropedit movie.mkv --attachment-name Arial.ttf --attachment-description 'The Arial font as a TrueType font' --attachment-mime-type application/x-truetype-font --add-attachment 89719823.ttf

$ mkvpropedit movie.mkv --attachment-name Arial.ttf --attachment-description 'The Arial font as a TrueType font' --replace-attachment name:Comic.ttf:Arial.ttf

$ mkvpropedit movie.mkv --delete-attachment 2

$ mkvpropedit movie.mkv --delete-attachment mime-type:application/x-truetype-font

•0 -- This exit code means that the modification has completed successfully.

•1 -- In this case mkvpropedit(1) has output at least one warning, but the modification did continue. A warning is prefixed with the text 'Warning:'. Depending on the issues involved the resulting files might be ok or not. The user is urged to check both the warning and the resulting files.

•2 -- This exit code is used after an error occurred. mkvpropedit(1) aborts right after outputting the error message. Error messages range from wrong command line arguments over read/write errors to broken files.

The content is treated as if it had been passed via the --debug option.

The content is treated as if it had been passed via the --engage option.

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