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F2 vs Transnomino: catalog facts
F2	Transnomino
Free Free and open source under the MIT licence.	Free Free to use, with optional donations.
Command line	macOS
Dry run by default shows changes before applying them Undo for any rename operation	Regular expressions and wildcard find and replace Chain several actions with a live preview
Command line only, with no graphical interface Regular expression renames take some learning	macOS only Current version requires macOS 14 or later
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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