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BleachBit

BleachBit

Open Source & Free Software AlternativesUtilities & System ToolsPrivacy & Security
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An open-source cleaner for removing junk and wiping sensitive traces.

BleachBit is a free desktop utility for Windows and Linux that removes temporary files, browser leftovers, logs, and other accumulated system clutter. It also includes privacy-focused deletion tools such as file shredding, free-space wiping, preview-before-cleaning, command-line automation, and custom cleaner rules.

Why it stands out

  • Fully open source under GPLv3, with no ads, subscriptions, or bundled upsells described.
  • Covers both cleanup and privacy deletion rather than only freeing disk space.
  • Shows files before deletion, giving users more control than one-click optimizer tools.
  • Includes CLI and scripting support for administrators managing multiple systems.
  • Supports custom CleanerML definitions for advanced users who need app-specific cleanup rules.

Good to know

  • Available for Windows and Linux; the page does not list macOS, mobile, or browser-extension versions.
  • Secure deletion and free-space wiping are destructive actions, so users should review previews carefully before cleaning.
  • Fleet automation and custom CleanerML cleanup require comfort with command-line use or rule writing.
  • The tool emphasizes manual control rather than automatic background optimization.

Photos

Illustration for BleachBit