We have found 5 software records in our database eligible for .mka to .mkv file format conversion.
Both .mka and .mkv files are Matroska files, with the difference that MKA suffix is used for files that contain audio track only. Both of these files are share same container format, so no mka to mkv conversion is actually needed. Just rename it and it will work the same, but just keep in mind - audio only.
Nevertheless, may converters offer this conversion and can do it.
MKA
Files with mka file extension can be typically found as audio files in Matroska audio file format. Pretty much same as MKV, but MKA is used for files that contain audio content only in Matroska container.
MKV
An mkv file extension file extension is used for Matroska Multimedia Container format, which is an open source video format very often used for HD movies. You can open it in almost any media player as the format is largely supported.