The safest way to download any version of MKVToolNix is via the official Bunkus.org website. The developer maintains an archive of older releases.
Released in the early 2010s, represents a sweet spot: it’s modern enough to handle HD video, Blu-ray rips, and multiple audio/subtitle tracks — yet simple enough to run smoothly on older hardware or legacy Windows systems (XP, Vista, 7, and even 8).
Though many years old, version 5.9.0 introduced or refined several core capabilities that defined the tool's utility:
Mkvmerge is a command-line tool that muxes (multiplexes) video, audio, and subtitle streams into the Matroska (MKV) container. The version removes the need for complex command-line syntax, offering a drag-and-drop interface that anyone can master.
: Set track names, languages, and default/forced flags for subtitles and audio. File Splitting and Appending
Despite being an older release, version 5.9.0 packed a punch in terms of functionality. Here is what you can expect once you secure your free download:
Mkvmerge GUI is the graphical interface for mkvmerge , a command-line utility that merges multiple media streams—video, audio, and subtitles—into a single MKV container. It does not re-encode video; instead, it "remuxes" it, meaning the process is incredibly fast and preserves 100% of the original quality. Key Features of Version 5.9.0
