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KRename vs Szyszka: catalog facts
KRename	Szyszka
Free Free and open source under the GPL-2.0 licence.	Free Free and open source under the MIT licence.
Linux	Windows, macOS, Linux
Regular expression support for advanced renaming Plugins read metadata from images, video and music	Multiple renaming rules that can be combined Fast with large numbers of files
Linux only Many options can take time to learn	Development is infrequent GTK interface feels out of place outside Linux
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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