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AtomicParsley vs MetaVideo: catalog facts
AtomicParsley	MetaVideo
Free Free and open source under the GPL-2.0 licence.	Freemium Free download, with a paid license sold through the NeededApps store and the Mac App…
Windows, macOS, Command line	macOS
Small, single-purpose command-line tool Handles iTunes-style tags in MP4 and M4A files	Edits QuickTime, GPS, EXIF, XMP and IPTC tags Presets apply the same edits to many files
No graphical interface Limited to MPEG-4 files	macOS only Full use requires buying a license
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 2, 2026

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