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BleachBit vs PrivaZer: catalog facts
BleachBit	PrivaZer
Free Free and open source under GPL-3.0-or-later; no payment or registration required…	Freemium A free edition is available. PrivaZer PRO adds features for contributors.
Windows, Linux, Command line	Windows
Preview lists every file before deletion; secure deletion (shredding) and free-space wiping are available Command line interface for scripting and automation, and custom cleaners via CleanerML	Shows exactly what it will remove before doing anything Optional secure overwriting of freed space
Windows and Linux only; macOS support is described as experimental with limited features Windows installer targets Windows 10 and 11; older Windows needs the 'Older Versions' downloads	Aggressive cleaning options can remove things you wanted to keep
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 22, 2026

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