BleachBit System Cleaner

BleachBit is a free and open-source system cleaner and privacy tool for Windows and Linux. Created in 2008 by Andrew Ziem (lead developer), BleachBit is designed to free up disk space, protect privacy, and optimize performance. Available in over 60 languages. Positioned as a free alternative to commercial cleaners, downloaded over 30 million times. Key features: cleaning: removes unnecessary files from over 100 applications including web browsers (Chrome, Firefox, Edge, Safari, Opera, Brave), email clients (Thunderbird, Evolution), office suites (LibreOffice), media players (VLC, Rhythmbox), development tools (Git, pip, npm, apt, yum), and system components. Browser cleaning: cache, cookies, history, form data, passwords, session data, download history, DOM storage. Shredding: securely delete files to prevent recovery. Overwrite files with random data (1-pass or multi-pass). Free disk space wiping. Shred entire folders. Meets military-grade deletion standards. System cleaning: clean Recycle Bin, temporary files, log files, crash reports, thumbnail cache, recent documents list, clipboard, Windows Update cache. Clean Linux package caches (apt, yum, dnf), Bash history, system logs. Deep scan: find large files, duplicate files, broken shortcuts. Free disk space analyzer. Privacy protection: delete traces of recent activity. Clean recently used file lists, search history, application usage logs. Custom cleaners: create custom cleaning rules using XML-based cleaner definitions. Chaff: generate decoy files to confuse forensic analysis. Portable mode: run from USB drive without installation. Command-line interface for automation. Overwrite free disk space. C/Python. GPL-3.0.