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ReNamer vs F2: catalog facts
ReNamer	F2
Free Free to download and use on Windows.	Free Free and open source under the MIT licence.
Windows	Command line
Ordered rule chains for precise, repeatable renaming Reads music, photo, video and document metadata into filenames	Dry run by default shows changes before applying them Undo for any rename operation
Windows only Not open source	Command line only, with no graphical interface Regular expression renames take some learning
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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