The Best 63 Scanner Alternatives

  • TreeSize icon

    TreeSize

    TreeSize 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.

    Freemium Windows

    Portable Bundled with macOS
  • Baobab icon

    Baobab

    Baobab Disk Usage Analyzer is a graphical, menu-driven application to analyse disk usage on Linux. Disk Usage Analyzer can easily scan either the whole filesystem tree, or a specific user-requested directory branch (local or remote).

    Free Open Source Linux BSD FreeBSD GNOME

  • DaisyDisk icon

    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.

    Commercial

  • GrandPerspective icon

    GrandPerspective

    GrandPerspective is a small utility application for Mac that graphically shows the disk usage within a file system. It can help you to manage your disk, as you can easily spot which files and folders take up the most space.

    Free Open Source Mac OS X

    Lightweight Nice graphical interface
  • SpaceMonger icon

    SpaceMonger

    SpaceMonger is a treemapping tool for hard disks and file systems.

    Commercial Windows

  • DiskUsage icon

    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.

    Free Open Source Android

  • MindGems Folder Size icon

    MindGems Folder Size

    Folder Size analyzes your hard drives and displays file and folder sizes so that you can easily check the distribution of your disk space.

    Free Windows

  • SequoiaView icon

    SequoiaView

    Create a visual representation of the amount of space each file is taking on your hard drive. It creates a "squarified treemap" that makes it easy to see where all your space is going.

    Free Windows

  • Nektony Disk Expert icon

    Nektony Disk Expert

    Disk Expert is a powerful disk space scanning, reporting and processing utility for Mac OSX. Disk Expert will provide you with the information you need for better understanding and managing your disk space content.

    Commercial

  • Nektony Disk Inspector icon

    Nektony Disk Inspector

    Disk Inspector is a utility that allows you to locate "space eaters" - big files and folders saved on disks in your Mac.

    Commercial

  • ClearDisk icon

    ClearDisk

    ClearDisk is a Mac OS X utility designed to clean the hard disk of unnecessary files which clog up the disk space. The goal of ClearDisk is just to find unused files on your computer and remove them.

    Commercial

  • Filelight icon

    Filelight

    Filelight is free-software that shows your filesystem as a set of concentric pie-charts. Like a pie-chart, but the segments nest, allowing you to easily see which files are taking up all your space.

    Free Open Source Linux BSD

  • DiskWave icon

    DiskWave

    DiskWave is a free utility to help you determine where most of your hard drive space is consumed. The program scans your hard drive to compute the size of all folders and sub folders.

    Free Mac OS X

  • Folder Size (by Brio) icon

    Folder Size (by Brio)

    Folder Size for Windows adds a new column to the Details view in Windows Explorer. The new column shows not only the size of files, but also the size of folders.

    Free Open Source Windows

  • Xinorbis icon

    Xinorbis

    Xinorbis is a completely FREE, powerful Windows-based data storage analyser for single users or network administrators. Provides an instant visual display of the contents of a hard disk, single or multiple directories.

    Free Windows

    Integrated Search Duplicate Files Finder
  • TreePie icon

    TreePie

    TreePie : a simple way to display disk usage. It shows the distribution of size in a tree of directories by using an interactive multilevel pie (sunburst diagram). Really small and simple.

    Free Open Source Windows