Best Hard Disk Space Products in 2026

DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.

Key DaisyDisk features:

Visual Interface Speed User-Friendly Multiple Disk Support

paid Free Trial $9.99 / One-off

Disk Inventory X is an open source disk space analyzer and disk management tool for the Mac OS X operating systems that allow the OS X users to check for the availability of free space in their machines.

Key Disk Inventory X features:

Freeware Visual Disk Usage Representation User-Friendly Interface Cross-Platform

free

WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.

Key WinDirStat features:

Free and Open Source Comprehensive Visualization Multiple File Views Customizable Cleanup Actions

Open Source

Your Computer, as a City. Reclaim your wasted space.

Key CityDisk features:

User-friendly Interface Comprehensive Features Reliable Performance Cross-platform Compatibility

Disk Utility is a system utility for performing disk and disk volume-related tasks on the macOS operating system by Apple.

Key Apple Disk Utility features:

User-Friendly Interface Integrated with macOS Comprehensive Disk Management APFS Support

WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.

Key WizTree features:

Speed User-Friendly Interface Detailed Visualization No Installation Required

TreeSize tells you where precious disk space has gone to.

Key TreeSize features:

User-Friendly Interface Detailed Disk Space Analysis Export Functionality Fast Scanning

PowerMyMac is not only a Mac cleaner app to clean up Mac. It is also a useful tool to optimize and speed up your Mac. Get more free space on your Mac right now.

Key iMyMac PowerMyMac features:

Junk Cleaner App Uninstaller Duplicate Finder Similar Image Finder

paid Free Trial $9.95 / Monthly (One month license for one Mac)

GrandPerspective is a small utility application for Mac that graphically shows the disk usage...

Key GrandPerspective features:

Visualization Open Source User-Friendly Customizable

Open Source

SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.

Key SpaceSniffer features:

Visual Representation Freeware Portability Customizable Filters

DiskSavvy is a free, fast and easy-to-use disk space analyzer utility allowing one to analyze disk...

Key DiskSavvy features:

User-Friendly Interface Comprehensive Reporting Customizable Configurations Multiple Version Support

Scans your home folder and reports folders and file disk space use.

Free download! Find and delete duplicate files with Easy Duplicate Finder™. Get rid of annoying duplicates on your Windows and Mac.

Key Easy Duplicate Finder features:

User-Friendly Interface Comprehensive File Scanning Multiple File Types Customizable Search Criteria