Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Windows



WizTree is described as 'Ultra-fast disk space analyzer for Windows, showing largest files and folders according to space usage by utilizing the NTFS file system's Master File Table for unmatched speed' and is a very popular disk usage analyzer in the os & utilities category. There are more than 100 alternatives to WizTree for a variety of platforms, including Windows, Mac, Linux, BSD and Android apps. The best WizTree alternative is WinDirStat, which is both free and Open Source. Other great apps like WizTree are Baobab Disk Usage Analyzer, Filelight, TreeSize and SD Maid SE.



FreeUpDisk is a free disk space analyzer and cleanup tool for Windows and Mac. Its core feature is a treemap visualization: a visual map where every file and folder on your drive is represented as a colored rectangle, with size proportional to how much space it occupies.
disk-insight is a local-only disk usage viewer for Windows. It reads NTFS Master File Table (MFT) data directly for fast scanning and presents the result as a tree-first view, so you can expand folders and see where storage is used before deciding what to review.


Scans Windows folders from File Explorer, exports hierarchical and flat Excel reports with duplicate detection, reclaimable space analysis, long path and permission audits. Color-coded, multi-sheet output stays local, requires no internet, never transmits data.




SpaceBrowser scans a folder or volume and displays its contents as a size-proportional treemap, making large files and directories easy to identify.
