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NameChanger vs Stencil: catalog facts
NameChanger	Stencil
Free Free download.	Free Free and open source under the GPL-3.0-or-later licence.
macOS	macOS, Linux
Live preview of new names as you type Regular expression and sequence renaming	Native apps for both GNOME and macOS Combinable list of rename operations
macOS only No metadata-based renaming mentioned	No Windows version Small project with a single main developer
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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