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BleachBitAshampoo WinOptimizer
Free

Free and open source under GPL-3.0-or-later; no payment or registration required…

 Paid

Commercial software sold as WinOptimizer Pro.

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
  • Many cleanup and tuning modules in one program
  • Covers junk files, system fixes and privacy settings
  • 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
  • Windows only
  • Paid software
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

Checked September 20, 2026

Checked October 1, 2026

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