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

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