Best Disk Analyzer Products in 2024

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

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

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

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

A disk usage analyzer with an ncurses interface, aimed to be run on a remote server where you...

Key ncdu features:

User-friendly Interface Speed Low Resource Consumption Interactive

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

Baobab Disk Usage Analyzer is one of the light-weight disk analyzers that offers you a chance to view and monitor the disk usage & folder structure without any hassle.

Key Baobab Disk Usage Analyzer features:

User-Friendly Interface Integration with GNOME Real-Time Monitoring Cross-Platform Compatibility

DiskUsage provides a way to find out which files and directories on the SD card of your Android...

Key DiskUsage features:

Lightweight Cross-platform Open Source Simple Usage

Filelight is an application to visualize the disk usage on your computer.

Key Filelight features:

Visual Representation User-Friendly Interface Cross-Platform Compatibility Open Source

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

Gdu is one of the smart open-source disk analyzers specially designed for Linux that provides you complete information related to the disk space.

Key Gdu features:

Compact Design Modular Payloads Ease of Use Durability

K4DirStat is the successor of former KDirStat.

Key K4DirStat features:

Visual Interface Cross-Platform Open Source Customizable