11 Best Disk Analyzers For Mac 2026: WinDirStat Alternatives (Free & Paid)

Disk space analyzer tools can help you quickly identify large files and folders that may be slowing your computer down. If your Mac is running out of storage, they can also help you recover space, fix a slow Mac and prevent your Mac from crashing.

WinDirStat is a popular disk space analyzer for Windows that allows users to visualize how their storage is being used so they can quickly identify large files and free up disk space.

However, WinDirStat is not available for macOS, which means Mac users need to rely on alternative tools to analyze disk usage.

The good news is that there are several excellent WinDirStat alternatives for Mac that can scan your storage, visualize file sizes and help you reclaim valuable disk space.

We tested the most popular disk space analyzers on Apple Silicon Macs running the latest version of macOS and evaluated them based on:

• Ease of use
• Visualization tools
• Scan speed
• Compatibility with Apple Silicon Macs
• Ability to quickly identify large files

Below are the best tools we’ve found to visualize disk usage and recover storage space on a Mac.

What Is the Mac Equivalent of WinDirStat?

The closest equivalents to WinDirStat on macOS are disk space analyzers that visualize storage usage using charts, maps, or treemap diagrams.

Popular Mac alternatives include:

• DaisyDisk
• GrandPerspective
• OmniDiskSweeper
• Disk Drill
• Disk Inventory X

These tools scan your drive and display folders and files visually so you can quickly see what is taking up the most space.

What Is the Best WinDirStat Alternative for Mac?

The best alternatives to WinDirStat on macOS are:

• DaisyDisk – best overall disk visualization
• GrandPerspective – best free treemap analyzer
• Disk Inventory X – closest WinDirStat equivalent
• OmniDiskSweeper – fastest file size finder

Is Windirstat Available For Mac?

Windirstat is not available for Mac. It’s only available for Windows PCs. According to the developer website:

WinDirStat 2.x has been developed for and tested on the following operating systems. They may work on older or newer operating systems but are not supported.
Windows Server 2025
Windows 8
Windows 8.1
Windows 10
Windows 11
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
Windows Server 2019
Windows Server 2022

Why Isn’t WinDirStat Available for Mac?

WinDirStat was designed specifically for Windows and has never been developed for macOS.

Instead, Mac developers created their own disk analyzers that use similar visualization techniques such as treemaps and sunburst charts.

For example:

• GrandPerspective uses treemap visualization to show disk usage.
• Disk Inventory X was inspired by WinDirStat and displays files using a graphical treemap layout.

These tools provide similar functionality while being optimized for macOS.

Why Use a Disk Space Analyzer on Mac?

Over time, files accumulate on your Mac and it can become difficult to identify which folders are taking up the most storage space.

Disk space analyzers make it much easier to find large files on your Mac that may be taking up valuable storage space.

Benefits include:

• Quickly finding large unused files
• Recovering gigabytes of disk space
• Identifying hidden system files
• Improving Mac performance if storage is nearly full

Tools like OmniDiskSweeper list files from largest to smallest so you can easily locate storage-heavy folders.

Common Files That Waste Disk Space on Mac

Disk analyzers are particularly useful for identifying hidden files that consume large amounts of storage.

Removing large unused files is one of the easiest ways to free up disk space on a Mac and improve performance.

Some of the most common disk space hogs include:

• Old iPhone backups
• Video files and screen recordings
• Application installers
• Xcode build files
• Cache files
• Duplicate media files

Tools like DaisyDisk make it easy to locate these files by displaying them visually in large colored segments.

Best Disk Analyzers For Mac & Alternatives To WinDirStat Comparison Table

Tool	Visualization Type	Free Version	Price
DaisyDisk	Sunburst map	Trial	$9.99
Disk Drill	Charts + recovery tools	Limited	$89
OmniDiskSweeper	File list view	Yes	Free
GrandPerspective	Treemap visualization	Yes	Free
Disk Inventory X	Treemap map	Yes	Free
Disk Analyzer Pro	File lists + filters	No	$5.99
Space Gremlin	Interactive disk map	Demo	$4.99
WhatSize	Pie chart visualization	Trial	$14.99
JDiskReport	Charts and reports	Yes	Free
TreeSize	Folder tree view	No	$3.99
Space Radar	Command-line	Yes	Free

1. DaisyDisk

DaisyDisk is our favorite WinDirStat alternative for Mac and one of the easiest ways to identify files that are taking up large amounts of disk space.

DaisyDisk scans your drive in seconds and presents the results in a beautiful interactive sunburst map that makes it easy to see exactly how your storage is being used.

You can drill down into folders and drag unwanted files directly into the app’s collector to delete them safely.

After identifying large files with DaisyDisk, you can right-click them and open them directly in Finder to delete them manually.

In our testing on Apple Silicon Macs, DaisyDisk consistently produced the fastest scans and the clearest visualization of disk usage. It was particularly useful for identifying large hidden folders such as iPhone backups and application caches.

Price: Free trial, $9.99 full version

Pros:

• Intuitive interface
• Fast scanning
• Excellent disk visualizations
• Native Apple Silicon support

Cons:

• No permanent free version

2. Disk Drill

Disk Drill is best known as a powerful data recovery tool but it also includes a useful disk space analyzer.

The app scans your Mac and provides visual insights into how your storage is being used while also monitoring drive health.

Disk Drill is particularly useful if you’re trying to recover lost files or prevent drive failures while managing disk space.

Price: Limited free version, $89 Pro version

Pros:

• Data recovery tools
• Disk health monitoring
• User-friendly interface
• Free version available

Cons:

• Some features require the paid version

3. OmniDiskSweeper

OmniDiskSweeper is a simple but very effective disk analyzer created by The Omni Group, developers that specialize in Mac software.

Unlike visual tools, OmniDiskSweeper lists files in order of size so you can quickly identify large folders and files.

Although it lacks graphical charts, it’s one of the fastest tools for locating files that are wasting storage space.

Price: Free

Pros:

• Completely free
• Extremely fast scanning
• Simple interface

Cons:

• No graphical visualization

4. GrandPerspective

GrandPerspective is one of the closest tools to WinDirStat because it visualizes disk usage using a treemap layout.

Each rectangle represents a file, and the larger the rectangle, the more disk space the file uses.

This approach makes it very easy to spot unusually large files quickly.

Price: You can download and use GrandPerspective for free if you download it directly from the developer or its $2.99 in the Mac App Store.

Pros:

• Excellent treemap visualization
• Free and open-source
• Fast scanning

Cons:

• Interface feels dated
• Slight learning curve

5. Disk Inventory X

Disk Inventory X is another Mac tool that closely resembles WinDirStat because it uses the same treemap visualization style.

Many Mac users consider it the closest WinDirStat clone available for macOS.

Although the interface is dated and development is slow, it remains a reliable free option.

Price: Free

Pros:

• Very similar to WinDirStat
• Treemap visualization
• Free

Cons:

• Outdated interface
• Not actively maintained

6. Disk Analyzer Pro

Disk Analyzer Pro offers detailed file analysis and filtering tools that help you locate old or unused files quickly.

One useful feature is the Top 100 Oldest Files list, which can help identify files you may no longer need.

Price: $5.99

Pros:

• Detailed analysis tools
• Custom scan filters

Cons:

• No native Apple Silicon version
• No free version

7. Space Gremlin

Space Gremlin has been around for many years and uses an interactive map to visualize disk usage.

Although the interface looks dated, it remains a powerful tool for scanning drives and identifying space usage across folders.

Price: You can download a demo from the developer but the full version is only available on the Mac App Store for $4.99.

Pros:

• Interactive disk maps
• Can scan network drives and Boot Camp partitions

Cons:

• Interface feels outdated
• Limited demo version

8. WhatSize

WhatSize is a disk analyzer designed to help identify large files and clean up storage.

It provides pie chart visualizations and deep scanning capabilities so you can analyze hidden files and folders.

Price: You can try a free trial of WhatSize but the full version is $14.99.

Pros:

• Deep scan features
• Real-time file tracking

Cons:

• Full version required for advanced features

9. JDiskReport

JDiskReport is a cross-platform disk analyzer that runs on both Mac and Windows.

It generates detailed charts and reports showing how storage is distributed across files and folders.

Note that it requires Java to run.

Price: Free

Pros:

• Free and open source
• Detailed reporting
• Cross-platform

Cons:

• Requires Java
• Interface is dated

10. TreeSize

TreeSize is a disk space management tool that visually represents file sizes in a tree structures.

It has customizable scan options and compatibility and gives you a clear users overview of storage space.

Note that TreeSize for Mac is not the same as TreeSize for PC which is free to use.

Price: $3.99 from the Mac App Store.

Pros:

• Customizable scan options
• Clear tree structure visualizations

Cons:

• No free version available
• Can be unstable

11. Space Radar

Space Radar is an open-source disk space analyzer with a command-line interface.

Space Radar is about as basic as it gets and isn’t very user friendly unless you’re familiar with command-line tools.

Price: Free

Pros:

• Free and open-source
• Lightweight

Cons:

• Not user-friendly
• Requires command-line interface knowledge

How Disk Space Analyzer Tools Work

Disk space analyzers scan your Mac’s storage and display how files and folders use disk space.

Most tools use visual techniques such as:

• Treemaps
• Sunburst charts
• Pie charts
• File hierarchy lists

These visualizations make it much easier to identify large files such as:

• Video files
• iPhone backups
• Application installers
• Cache files
• Virtual machines

Deleting these files can quickly recover gigabytes of storage space.

Best Free WinDirStat Alternatives For Mac

If you’re looking for a free WinDirStat alternative for Mac, the best options are:

• OmniDiskSweeper
• GrandPerspective
• Disk Inventory X
• JDiskReport

These tools provide excellent disk analysis without requiring a paid upgrade.

Which WinDirStat Alternative Is Best for Mac?

The best tool depends on what you’re looking for:

• Best overall: DaisyDisk
• Best free option: GrandPerspective
• Closest to WinDirStat: Disk Inventory X
• Best for data recovery: Disk Drill

Summary

While WinDirStat is not available for macOS, there are several excellent disk space analyzers that provide similar functionality.

For most Mac users, DaisyDisk is the best option thanks to its fast scanning and intuitive disk visualization.

If you’re looking for a free alternative, GrandPerspective and OmniDiskSweeper are excellent choices.

Using a disk analyzer can make it much easier to locate large files and recover storage space, helping keep your Mac running smoothly.

FAQ

Is WinDirStat available for Mac?

No. WinDirStat is only available for Windows.

Mac users need to use alternative disk space analyzers such as DaisyDisk or GrandPerspective.

Does macOS have a built-in disk space analyzer?

macOS includes a basic storage overview under:

Apple menu > About This Mac > Storage

However it is much less detailed than dedicated tools like DaisyDisk.

What is the closest WinDirStat alternative for Mac?

The closest tools are those that use treemap visualizations, including:

• GrandPerspective
• Disk Inventory X

These tools display disk usage in a similar way to WinDirStat.