WinCleanCat icon
WinCleanCat icon

WinCleanCat

Free, open-source Windows disk cleanup tool. Clean system junk, scan large files, detect duplicates, and analyze disk space. Single portable file under 70MB. No ads, no bundleware, no background processes. Built with .NET 8 + WPF. Supports 6 languages and 10+ themes.

System Junk Cleaner One-click scan and clean: Windows temp files, browser caches (Chrome, Edge, Firefox), Windows Update caches, system logs, and thumbnail caches. Typically frees 1-5 GB of disk space.

Cost / License

  • Free
  • Open Source (MIT)

Application types

Platforms

  • Windows
Large File Scanner Scan any drive or folder for large files. Set custom minimum size thresholds (e.g. 500 MB). Sort results by size, type, or date. Real-time disk usage bar shows space distribution at a glance.
Duplicate File Detector Multi-threaded SHA256 hash comparison finds true duplicates across multiple drives. Select folders or entire disks to scan. Auto-select duplicates for quick cleanup with one click.
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Disk Space Analysis Interactive tree view shows folder sizes with visual bars. Drill down into any folder to understand exactly where disk space is being used. Click to open folders directly in Explorer.
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Features

Properties

  1.  Lightweight
  2.  Privacy focused

Features

  1.  Delete Temporary Files
  2.  Works Offline
  3.  No Tracking
  4.  Portable
  5.  No registration required
  6.  Dark Mode
  7.  Ad-free
  8.  Duplicate File Finder

 Tags

WinCleanCat News & Activities

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Optimize your Windows PC with powerful tools to fix, speed up, and maintain systems, offering one-click registry cleaning, privacy protection, and disk cleanup.

 
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WinCleanCat information

  • Developed by

    CN flagshaoyidi

  • Licensing

    Open Source (MIT) and Free product.

  • Written in

  • Alternatives

    51 alternatives listed

  • Supported Languages

    • English
    • Chinese
    • Japanese
    • Korean
    • German

AlternativeTo Categories

OS & Utilities, System & Hardware, File Management

GitHub repository

  •  0 Stars
  •  0 Forks
  •  0 Open Issues
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What is WinCleanCat?

WinCleanCat — Clear Clutter, Claim Space.

WinCleanCat is a free, open-source, lightweight Windows disk cleanup tool designed for users who value privacy, simplicity, and efficiency. Built with .NET 8 and WPF using Material Design, it delivers a modern and intuitive experience.

Core Features:

  • System Junk Cleaner — Scan and remove temporary files, browser caches (Chrome & Edge), Windows Update caches, system logs, thumbnail caches, and Recycle Bin contents. Reclaim gigabytes of wasted space in seconds.

  • Large File Scanner — Quickly locate the biggest files on any drive with customizable size thresholds. Features real-time disk usage visualization with a color-coded progress bar and one-click folder navigation.

  • Duplicate File Detector — Identify duplicate files across multiple drives and folders using SHA256 hash comparison. Multi-threaded scanning ensures fast results even on large datasets. Results are grouped by file type for easy review.

  • Disk Space Analyzer — Visualize exactly where your disk space is being consumed with an interactive, expandable tree view. Drill down folder by folder to find the real space hogs.

What makes WinCleanCat different?

  • 100% free and open source (MIT License)
  • No ads, no bundled software, no telemetry, no background processes
  • Fully offline — all operations run locally, no data ever leaves your machine
  • Single portable executable under 70MB — download and run, no installation required
  • Self-contained runtime — no need to install .NET separately
  • 6 languages: English, Simplified Chinese, Traditional Chinese, Japanese, Korean, German
  • 10+ theme colors with dark/light mode, preferences auto-saved across sessions

System Requirements: Windows 10 / 11 (x64)

Whether you're a power user managing multiple drives or just want a simple, trustworthy tool to free up disk space, WinCleanCat gets the job done — cleanly.

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