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MKV Muxing Batch GUI vs MKVtools: catalog facts
MKV Muxing Batch GUI	MKVtools
Free Free and open source under the GPL-2.0 licence.	Freemium Some queue, batch, and watch-mode features are limited to registered copies.
Windows, Linux	macOS
Batch processing of many videos at once Separate options for subtitles, audio, chapters and attachments	Processes video into MKV without re-encoding supported tracks Can select, preview, and extract tracks
Output is MKV only Development has been quiet since early 2024	Does not create MP4 or AVI files Requires a 64-bit Intel Mac running OS X 10.9 or later
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.