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Avidemux vs TMPGEnc Video Mastering Works: catalog facts
Avidemux	TMPGEnc Video Mastering Works
Free Free and open source under the GPL.	Paid Commercial software sold by Pegasys.
Windows, macOS, Linux	Windows
Copy mode cuts and joins without re-encoding, so trims are instant and lossless Handles AVI, MP4, MPEG, MKV and ASF among many others	Detailed control over encoding settings Cut editing before export
Not a timeline editor; there is no multi-track editing or compositing The last stable release is from 2022, with newer work only in nightly builds	Windows only Paid software
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	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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