
Running out of space on your computer is frustrating. You delete a few files, but your hard drive is still bloated. Where is all your space going? That’s where disk space analyzers come in, like WinDirStat.
But maybe WinDirStat isn’t your cup of tea.
Whether it’s too slow, too ugly, or just doesn’t work on your system, we’ve got good news. There are plenty of alternatives out there. Let’s explore 8 of them that can help you clean up your hard drive and keep things tidy.

1. TreeSize Free
TreeSize Free is a favorite. It’s fast and gives you a clear view of your disk usage.
- Interface: Clean and modern
- Platform: Windows
- Why it’s cool: Shows folder sizes in real-time
It even integrates with Windows Explorer. Just right-click a folder and scan it instantly!
2. SpaceSniffer
SpaceSniffer comes with a fun, animated interface. It uses a technique called “Treemap” visualization.
- Interface: Boxy, bouncy, satisfying
- Platform: Windows
- Why it’s cool: You can literally watch your drive organize itself
If you like visual tools, this one will make you smile.
3. WizTree
WizTree is all about speed. It claims to be the fastest disk space analyzer on the market.
- Interface: Simple and practical
- Platform: Windows
- Why it’s cool: Scans NTFS drives almost instantly
Perfect when you need results — now.
4. Disk Inventory X
Mac users, this one’s for you. Disk Inventory X is like a Mac version of WinDirStat.
- Interface: Retro, but usable
- Platform: macOS
- Why it’s cool: You get colorful blocks that show what’s eating your storage
It’s free and gets the job done.
5. DaisyDisk
If beauty matters to you, check out DaisyDisk. It’s gorgeous.
- Interface: Circular, colorful brilliance
- Platform: macOS
- Why it’s cool: Drag and drop to delete files right in the app
Using it feels more like playing a game than cleaning up your Mac.

6. JDiskReport
JDiskReport works on any system that runs Java. Windows, Mac, Linux? You’re covered.
- Interface: Simple charts and graphs
- Platform: Cross-platform (Java)
- Why it’s cool: Shows file age so you can delete old junk
Not flashy, but powerful under the hood.
7. Baobab (Disk Usage Analyzer)
If you’re using Linux with GNOME, Baobab is built in. Handy, right?
- Interface: Modern and tidy
- Platform: Linux
- Why it’s cool: Real-time disk usage with easy navigation
You won’t need to install anything extra — just open and go!
8. GNOME System Monitor
This tool does more than disk space. It also shows memory and CPU usage.
- Interface: Clean and minimal
- Platform: Linux (GNOME)
- Why it’s cool: One app for all your system stats
It’s simple and efficient — just how Linux users like it.
So, which one is best?
It depends on what you need!
- Want speed? Go for WizTree.
- Need beauty? Try DaisyDisk.
- Love animations? SpaceSniffer is your buddy.
- On Linux or Mac? There are solid options for you too!
You don’t need to be a tech wizard. These tools make it super easy to see what’s hogging your space. A few clicks and—voila!—you’ve got a cleaner, faster PC or Mac.
Make disk cleanup a breeze, not a chore!