MKVToolNix is a set of tools to create, alter and inspect Matroska files under Linux, other Unices and Windows.
https://mkvtoolnix.download/index.html
MKVToolNix v71.0.0 “Altitude”
Bad Peggy 2.4
Bad Peggy scans JPEG and other image formats for damage and other blemishes and shows the results and images instantly. It allows you to find such broken files quickly, inspect and then either delete or move them to a different location.
https://github.com/coderslagoon/BadPeggy/
XMedia Recode 3.5.6.7
XMedia Recode can convert almost all known audio and video formats.
https://www.xmedia-recode.de/en/
MediaInfo 22.09
MediaInfo is a convenient unified display of the most relevant technical and tag data for video and audio files.
https://mediaarea.net/en/MediaInfo
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