SpaceSniffer Alternatives for Windows

There are many alternatives to SpaceSniffer for Windows if you are looking for a replacement. The best Windows alternative is WinDirStat, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to SpaceSniffer and loads of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to SpaceSniffer are WizTree, Filelight, TreeSize and Space Radar.

filter to find the best alternatives

Most SpaceSniffer alternatives are Disk Usage Analyzers, but you can also narrow the list to Duplicate File Finders or File Managers. Other popular filters are Mac, Open Source, Linux, Android and Windows.
Copy a direct link to this comment to your clipboard
Alternatives
SpaceSniffer alternatives page was last updated

Alternatives list

  1. WinDirStat icon
     1199 likes

    Comprehensive disk analysis tool offering treemap visualizations to identify large files, duplicate detection, and versatile cleanup actions. Operates offline, ad-free, and open-source, it runs portably on Windows without registration, providing a lightweight solution to manage disk storage.

    133 WinDirStat alternatives

    Cost / License

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    Good alternative?
     
    |
    2
  2. WizTree icon
     294 likes

    Comprehensive disk usage analyzer providing ultra-fast insight into space consumption by directly reading NTFS file systems. Identify top space hogs, sort content by size, and enjoy features like portability, offline access, dark mode, and no registration needs. Exclusive to NTFS drives.

    125 WizTree alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Since

    • Since 2012

    Platforms

    • Windows
    • Mac
    Good alternative?
     
    |
    2
  3. Filelight icon
     95 likes

    Provides graphical disk usage analysis using interactive segmented rings, scans local, remote and removable disks, enables navigation and file management from within the interface, displays live info on hover, and integrates with KDE file managers for efficient data management.

    90 Filelight alternatives

    Cost / License

    Application type

    Since

    • Since 2010

    Platforms

    • Windows
    • Linux
    • BSD
    • KDE Plasma
    • Flathub
    • Snapcraft
    Good alternative?
     
    |
    1
  4. TreeSize icon
     308 likes

    Comprehensively analyze disk space usage with TreeSize across local, network drives, and mobile devices. Features include folder sizes, subfolders, file counts, NTFS compression rates, interactive 3D charts, and the ability to target large, temporary, and duplicate files, even via MTP and WebDAV.

    125 TreeSize alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • PortableApps.com
    Good alternative?
     
  5. Space Radar icon
     15 likes

    SpaceRadar allows interactive visualization of disk space and memory. It currently supports Sunburst, Treemap, and Flamegraph charts.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Since

    • Since 2020

    Platforms

    • Windows
    • Mac
    • Linux
    • Debian
    • Electron
    • AppImage
    Good alternative?
     
  6. FileBricks icon
     9 likes

    A visual disk space analyzer for Windows. It displays files, folders, and duplicate items as proportional colored blocks, helping users find large files, compare folder sizes, review file types, and locate duplicate files.

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2026

    Platforms

    • Windows
    Good alternative?
     
  7. SpaceMonger icon
     48 likes

    SpaceMonger is a treemapping tool for hard disks and file systems. It scans, maps, and manages PC, network, and cloud storage. It can copy, move, and delete files to free up storage space. It helps locate large files and folders quickly with Treemap visuals and finds files by...

    100 SpaceMonger alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    Good alternative?
     
  8. JDiskReport icon
     94 likes

    JDiskReport enables you to understand how much space the files and directories consume on your disk drives, and it helps you find obsolete files and folders.

    92 JDiskReport alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • Mac
    • Linux
    • BSD
    Good alternative?
     
    |
    1
  9. WinExt Free icon
     11 likes

    Powerful Win utilities: fix registry, clean junk, protect privacy, optimize system, quick launch, find duplicates, folder size, see more recent resources, activity monitor, batch operation, synchronization, disable context menus, skip UAC, trace file.

    271 WinExt Free alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Since

    • Since 2017

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?
     
  10. FolderSizes icon
     21 likes

    FolderSizes provides an engaging, interactive disk space analysis experience that you must try yourself to truly appreciate. More than just a series of diverse reports, FolderSizes allows you to visualize your disk space usage from multiple perspectives, like SequoiaView.

    83 FolderSizes alternatives

    Cost / License

    • Paid
    • Proprietary

    Since

    • Since 2009

    Platforms

    • Windows
    Good alternative?
     
  11. Xinorbis icon
     15 likes

    Xinorbis is a completely FREE, powerful Windows-based data storage analyser for single users or network administrators. Provides an instant visual display of the contents of a hard disk, single or multiple directories. Output reports to XML, CSV, HTML or plain ASCII.

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2009

    Platforms

    • Windows
    • GB flagUnited Kingdom
    Welcome screen
    Good alternative?
     
  12. Scanner icon
     57 likes

    This tool uses a sunburst chart to display the usage of your hard disk or other media. The chart shows all major files and folders from all directory levels at once.

    Cost / License

    • Free
    • Proprietary

    Application type

    Since

    • Since 2009

    Alerts

    • Discontinued

    Platforms

    • Windows
    Good alternative?
     
    |
    1
12 of 57 SpaceSniffer alternatives