Compare software

Name Mangler vs Szyszka: catalog facts
Name Mangler	Szyszka
Paid 19 USD with a free trial; upgrades cost 9 USD, and it is also on the Mac App…	Free Free and open source under the MIT licence.
macOS	Windows, macOS, Linux
Preview of new filenames before renaming Fast on very large batches	Multiple renaming rules that can be combined Fast with large numbers of files
Mac only Paid licence after the trial	Development is infrequent GTK interface feels out of place outside Linux
Downloadable app	Downloadable app
Closed source	Open source
License not stated	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 October 1, 2026

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