Disk Space Fan Alternatives

Disk Space Fan is described as 'powerful disk space analysis tool for Windows and it is a freeware. It helps you to free up disk space by quickly finding and deleting big, useless files. It displays disk space usage with a nice chart. You can navigate the folders easily with the chart' and is a disk usage analyzer in the system & hardware category. There are more than 50 alternatives to Disk Space Fan for a variety of platforms, including Windows, Mac, Linux, Android and Android Tablet. The best alternative is WinDirStat, which is both free and Open Source. Other great apps like Disk Space Fan are WizTree, Baobab Disk Usage Analyzer, TreeSize and DiskUsage.

Disk Space Fan alternatives are mainly Disk Usage Analyzers but may also be System Cleaners or Duplicate File Finders. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Disk Space Fan.

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Disk Space Fan

Paid • Proprietary
Disk Usage Analyzer
Windows

Disk Space Fan is a powerful disk space analysis tool for Windows and it is a freeware. It helps you to free up disk space...

Learn more about Disk Space Fan

WinDirStat
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Free • Open Source
Disk Usage Analyzer
System Cleaner
Windows
84 alternatives to WinDirStat
WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat .
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WinDirStat Features
1. Ad-freeWinDirStat doesn't contain any form of external advertising.
2. Hierarchical StructureOrganize your notes, pages, documents, etc., hierarchically with WinDirStat.
3. PortableWinDirStat can be used from a USB stick or similar with no prior installation.
4. LightweightWinDirStat consumes less device resources compared to similar apps.
Tree view
Display files size
Disk usage statistics
Customizable
Disk Maintenance
Multiple languages
WizTree
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Free Personal • Proprietary
Disk Usage Analyzer
Windows
76 alternatives to WizTree
WizTree scans your entire hard drive and shows you which files and folders are using the most disk space. It does this VERY QUICKLY. In fact, we believe WizTree to be the fastest application of this type currently available!
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WizTree Features
1. PortableWizTree can be used from a USB stick or similar with no prior installation.
2. Time-based One-time PasswordWizTree has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
Tree map
HDD Visualization
Display files size
Disk usage statistics
Fast file and folder search
Graphical User Interface
Folder Size
Facebook Login
Support for Large File
Baobab Disk Usage Analyzer
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Free • Open Source
Disk Usage Analyzer
Linux
BSD
FreeBSD
GNOME
Homebrew
Flathub
74 alternatives to Baobab Disk Usage Analyzer
Baobab Disk Usage Analyzer is a graphical application to analyse disk usage in any Gnome environment. Disk Usage Analyzer can easily scan device volumes or a specific user-requested directory branch (local or remote).
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Baobab Disk Usage Analyzer Features
Sunburst chart
Does not show ZFS filesystems
TreeSize
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Paid • Proprietary
Disk Usage Analyzer
System Cleaner
Windows
PortableApps.com
79 alternatives to TreeSize
TreeSize Professional tells you where precious disk space has gone to. It can be started from the context menu of a local folder or a local drive and displays the size of each folder, including its subfolders.
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TreeSize Features
1. PortableTreeSize can be used from a USB stick or similar with no prior installation.
2. Ad-freeTreeSize doesn't contain any form of external advertising.
Tree view
Display files size
Disk Maintenance
DiskUsage
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No
Free • Open Source
Disk Usage Analyzer
Android
Android Tablet
68 alternatives to DiskUsage
DiskUsage provides a way to find out which files and directories on the SD card of your Android phone are consuming the most space. It displays diagram with directories/subdirectories proportional to their size. Users are allowed to zoom in to look at specific directory content.
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DiskUsage Features
Folder Size
Folder Hierarchy
DaisyDisk
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Paid • Proprietary
Disk Usage Analyzer
Mac
77 alternatives to DaisyDisk
With DaisyDisk you can free up disk space by quickly finding and deleting big, useless files. The program scans any mounted disk and displays it on the sunburst map, where segments mean files and folders, proportionally to their sizes. The map is easy to read and navigate.
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DaisyDisk Features
Sunburst chart
Disk usage statistics
Disk Maintenance
SquirrelDisk
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Free • Open Source
Disk Usage Analyzer
System Cleaner
Mac
Windows
Linux
77 alternatives to SquirrelDisk
SquirrelDisk shows you exactly what's taking up all that space and helps you clear it out. Using SquirrelDisk is a matter of clicking one button to easily find all the huge files on your computer.
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SquirrelDisk Features
1. Ad-freeSquirrelDisk doesn't contain any form of external advertising.
2. Works OfflineSquirrelDisk can be used without the need to connect to the internet.
3. No registration requiredYou can use most of the features in SquirrelDisk without registration.
4. No TrackingSquirrelDisk will not track you or use your personal data.
5. PortableSquirrelDisk can be used from a USB stick or similar with no prior installation.
Display files size
Sunburst chart
Space Radar
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Free • Open Source
Disk Usage Analyzer
Mac
Windows
Electron / Atom Shell
76 alternatives to Space Radar
Space Radar is a disk and memory space visualization app built with Electron and D3.js. It currently supports Sunburst, Treemap, and Flamegraph charts and is available for Mac and Windows.
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Space Radar Features
1. Ad-freeSpace Radar doesn't contain any form of external advertising.
Electron based
HDD Visualization
Built-in File Manager
Discontinued
The last release (version 5) is from September 2017.
SpaceMonger
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Paid • Proprietary
Disk Usage Analyzer
Windows
67 alternatives to SpaceMonger
SpaceMonger is a treemapping tool for hard disks and file systems.

Scan, map and manage PC, network and cloud storage
Copy, move and delete files to free up storage space Locate large files and folders quickly with Treemap visuals Find files by size, type and.
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SpaceMonger Features
1. PortableSpaceMonger can be used from a USB stick or similar with no prior installation.
Scanner
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Free • Proprietary
Disk Usage Analyzer
Windows
66 alternatives to Scanner
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.
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Scanner Features
Sunburst chart
HDD Visualization
Discontinued
The program seems to be no longer updated. Last version, 2.13, released in July 2012, is fully working and can be still downloaded from the official website.