The world's fastest disk space analysis software. Scan NTFS drives in seconds with TreeMap visualization. Download WizTree for free to manage disk space, find large files, and detect duplicates.
Powerful disk space analysis tool to help you quickly identify and manage large files
WizTree uses advanced MFT direct reading technology to scan NTFS drives up to 46x faster than traditional disk analyzers, completing full disk scans in seconds.
Intuitive treemap visualization shows disk space usage with colored rectangles representing file sizes, making it easy to spot space hogs at a glance.
Intelligently identifies duplicate files in your system, helping you remove redundant data and effectively free up valuable disk storage space.
Automatically sorts all files and folders by size from largest to smallest, quickly identifying the items consuming the most space.
Search and filter by filename, file type, size, modification date, and more to precisely locate target files.
Export scan results to CSV format for further data analysis and record keeping.
Green portable version requires no installation - run it from a USB drive anytime, anywhere to analyze disk space.
WizTree supports multiple languages including English, meeting the needs of users worldwide.
Not just local hard drives - also scan network drives, USB external drives, and mobile storage devices.
Choose your preferred download method and get this powerful disk space analyzer for free
Current Version: WizTree v4.25 | File Size: ~5MB | Supported Systems: Windows XP/7/8/10/11
Download includes: Installer, Portable version, 32-bit and 64-bit versions
WizTree disk space analyzer is suitable for various scenarios
C drive running out of space? WizTree quickly locates large files to help you clean up your system drive
IT administrators can batch analyze server disk usage and optimize storage resource allocation
Find game cache and log files to free up space for more game installations
Manage large video files and quickly find space-consuming source files
Clean project build caches and dependencies to optimize development environment disk usage
Organize family computer photos, videos, and documents to keep your hard drive clean and organized
Identify long-unaccessed files for archiving or deletion
Regularly check disk usage to prevent storage space issues
WizTree has extremely low system requirements and runs smoothly on almost any Windows PC
Common questions and answers about WizTree disk space analyzer
WizTree is a free disk space analysis tool developed by Antibody Software. It quickly scans your hard drive and displays file and folder disk usage in an intuitive TreeMap visualization, helping you quickly identify and clean up large files to free up storage space.
WizTree uses unique MFT (Master File Table) direct reading technology. When scanning NTFS formatted drives, WizTree reads the MFT file directly from the disk, bypassing the Windows operating system, making it over 46 times faster than traditional disk analyzers and completing full scans in seconds.
Yes, WizTree is completely free for personal users with all features available at no cost. A commercial license is required for business use. The free version has no functional limitations and can be used with confidence.
WizTree primarily supports NTFS file systems (the most common format for Windows systems), where scanning is fastest. It also supports FAT and FAT32 formatted drives, as well as network drives and USB external storage devices.
Using WizTree to clean your C drive is simple: 1) Open WizTree; 2) Select the C drive and click Scan; 3) After scanning, view the largest files and folders sorted by size; 4) Right-click unnecessary large files to delete them or open their location for manual cleanup. The TreeMap visualization lets you see at a glance which files are taking up the most space.
WizTree has clear advantages over WinDirStat: 1) 46x faster scanning speed; 2) Duplicate file detection support; 3) More modern interface; 4) CSV export support; 5) Portable version available. WinDirStat is open-source but scans much slower. If efficiency is your priority, WizTree is the better choice.
WizTree currently only supports Windows operating systems and does not have a Mac version. Mac users can consider alternatives like DaisyDisk, Disk Inventory X, or other similar disk space analysis tools.
WizTree has a duplicate file detection feature. After scanning, click the '+' sign next to a filename to expand and view the list of duplicate files. The software determines duplicates based on file content (not just filenames) for accuracy.
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