SpaceSniffer AlternativesOnly apps categorised as Duplicate File Finders

The best Duplicate File Finder alternative to SpaceSniffer 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 ten of them are Duplicate File Finders so hopefully you can find a suitable replacement. Other interesting Duplicate File Finder alternatives to SpaceSniffer are WizTree, WinExt Free, Spacie and Xinorbis.

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SpaceSniffer alternatives are mainly Duplicate File Finders, but if you're looking for Disk Usage Analyzers or System Cleaners you can filter on that. Other popular filters include Mac, Linux, Android, Open Source, Windows and Android + Disk Usage Analysis. These are just examples - use the filter bar below to find more specific alternatives to SpaceSniffer.
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Alternatives list

  1. WinDirStat icon

    WinDirStat

     1144 likes
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    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.

    94 WinDirStat alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Windows
    Folder sorted after their foldersize
     
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    25
    Comments about WinDirStat as an Alternative to SpaceSniffer
    Jonathan Brickman
    Positive
    2

    Ditto, and SpaceSniffer is much faster.

    redtrillix
    Positive
    4

    WinDirStat's visual style is just unreadable, i definitely prefer SpaceSniffer.

    SpaceSniffer Icon
    WinDirStat icon

    • Almost everyone thinks WinDirStat is a great SpaceSniffer alternative.

    • WinDirStat is the most popular Windows alternative to SpaceSniffer.

    • WinDirStat is the most popular Open Source & free alternative to SpaceSniffer.

    • WinDirStat is Free and Open SourceSpaceSniffer is Free and Proprietary
    • WinDirStat is CustomizableSpaceSniffer is not according to our users
  2. WizTree icon

    WizTree

     268 likes
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    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.

    88 WizTree alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Windows
    WizTree screenshot 1
     
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    10
    Comments about WizTree as an Alternative to SpaceSniffer
    Jonathan Brickman
    Positive
    1

    SpaceSniffer is faster, and free of charge. WizTree is fancier.

    davaga6837
    Positive
    0

    It's fast, functional, lightweight.

    SpaceSniffer Icon
    WizTree icon

    • Almost everyone thinks WizTree is a great SpaceSniffer alternative.

    • WizTree is Free Personal and ProprietarySpaceSniffer is Free and Proprietary
    • WizTree is Privacy focusedSpaceSniffer is not according to our users
  4. WinExt Free icon

    WinExt Free

     10 likes
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    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.

    251 WinExt Free alternatives

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application types

    Platforms

    • Windows
    WinExt Free screenshot 1
     
  5. Ad
    Screenshot
    Disk Xray icon
    Disk Xray

    Visual disk usage analyzer for Mac featuring byte-level duplicate file detection, detailed storage statistics, customizable folder scans, temporary file removal, undo safeguards, selective cleanup, support for large files, and de...

    https://naarakstudio.com
    Learn More
  6. Spacie icon

    Spacie

     2 likes
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    Take back your hard disk space with Spacie. Spacie scans files and folders on your hard disk and display them in column view, with size information shown up-front. It can help you quickly locate large files that are occupying the precious space on your hard disk.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    On Mac OS X
     
  7. Xinorbis icon

    Xinorbis

     15 likes
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    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.

    63 Xinorbis alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
    Welcome screen
     
  8. Disk Xray icon

    Disk Xray

     5 likes
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    Visual disk usage analyzer for Mac featuring byte-level duplicate file detection, detailed storage statistics, customizable folder scans, temporary file removal, undo safeguards, selective cleanup, support for large files, and dedicated modules for managing storage.

    295 Disk Xray alternatives

    Cost / License

    • Pay once
    • Proprietary

    Application types

    Platforms

    • Mac
    Disk Xray screenshot 1
     
  10. FilePro icon

    FilePro

     6 likes
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    This free-for-personal-use software utility analyses storage disk usage, and then presents the gathered information in graphical format(s) viz. a directory tree, or a pie chart.

    Cost / License

    • Free Personal
    • Proprietary

    Application types

    Platforms

    • Windows
    FilePro screenshot 1
     
  11. Disk Space Fan Pro icon

    Disk Space Fan Pro

     2 likes
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    Disk Space Fan Pro is a is not only a duplicate file finder, but also a powerful disk space analysis tool for Windows. It helps you to free up disk space by quickly finding and deleting big, useless files.

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Windows
    disk space usage showing by flower chart
     
  12. WhatSize icon

    WhatSize

     12 likes
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    WhatSize is a simple tool that allows the user to quickly measure the size in bytes of a given folder and all subfolders and files within it. You would be surprised at how many useless files might be laying around on your hard disks.

    68 WhatSize alternatives

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Mac
    Main Screen
     
  13. TreeMap icon

    TreeMap

     1 like
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    Modern Graphical Disk Space Analyzer, 3 times faster than WinDirStat.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
    TreeMap screenshot 1
     
10 of 10 SpaceSniffer alternatives