MKVtools
MKVtools is a macOS video utility for creating, converting, editing, and batch-processing MKV files with selectable tracks and subtitle options.
What is MKVtools?
MKVtools is a native macOS video utility for creating and editing MKV video files. It is published by Emmgunn as part of the VIDEOtoolbox suite and is designed for people who need straightforward tools for remuxing, converting, and organizing video tracks without a full nonlinear editor. Common uses include converting supported video formats into MKV, choosing which audio, video, and subtitle tracks to keep, joining clips, splitting files, and extracting tracks into separate files. The app also supports subtitle workflows such as muxing external subtitles or burning subtitles into video when needed. For repeat jobs, it includes presets, batch queue processing, and a watch-folder mode in registered versions. MKVtools is best suited to users who regularly prepare MKV files for playback, archiving, or device compatibility on the Mac.
Key features
- Convert supported video formats such as MKV, MP4, OGM, and AVI into MKV files
- Process many files without re-encoding selected tracks when passthrough is possible
- Choose video, audio, and subtitle tracks and preview selections before processing
- Join MKV videos or split them by size or by start and end time
- Extract selected tracks from MKV files as separate video or audio files
- Mux external subtitle files or burn subtitles directly into video
- Save presets for repeat jobs and automate batch processing with a queue
- Watch a folder and process new video files automatically in registered versions
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Safety overview
Status: Mostly safe
MKVtools is a legitimate video-processing app for macOS. It works with the video files you open and may read, write, convert, split, or replace media outputs as part of normal use, so the main practical precaution is to keep originals until you confirm the result. Its file access and processing behavior are consistent with a desktop video utility, and users should download it from the publisher and review output settings before batch jobs.
Recommendation: Keep MKVtools if you use it to prepare or edit MKV files on your Mac. If you no longer work with MKV video conversion or track editing, you can remove it without affecting macOS, though you may want to keep any project files or presets you still use.
Common paths
/Applications/MKVtools.app
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