WhatSize is a simple tool that allows the user to quickly measure the size in bytes of a given folder and all subfolders and files within it. You would be surprised at how many useless files might be laying around on your hard disks.



TreeSize is described as 'Analyze disk space usage with in-depth insights and interactive visualizations across local and network drives, including mobile devices' and is a very popular disk usage analyzer in the system & hardware category. There are more than 50 alternatives to TreeSize for a variety of platforms, including Windows, Mac, Linux, BSD and Android apps. The best TreeSize alternative is WinDirStat, which is both free and Open Source. Other great apps like TreeSize are WizTree, Baobab Disk Usage Analyzer, Filelight and SD Maid SE.
WhatSize is a simple tool that allows the user to quickly measure the size in bytes of a given folder and all subfolders and files within it. You would be surprised at how many useless files might be laying around on your hard disks.



1Tree (100% FREE) lets you see all directories/files size in 1 tree, in order to let you to do the manual disk cleaning work easily. It loads drives, folders and files with their sizes (sorted by size), and provides you with the common commands.

Folder Size Explorer is a simple and free Windows Explorer clone with the added ability to calculate folder sizes. Microsoft's built-in Windows Explorer does not calculate folder sizes which means you have to manually select folders then click properties to determine their...




diskreport.net allow to generate an online report of disk space usage. Periodic run allow reports of size and file count variation, usefull to find growing files or directory.

Recover disk space by removing gigabytes of unwanted and forgotten files!
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Disk Space Fan is a powerful disk space analysis tool for Windows and it is a freeware. It helps you to free up disk space by quickly finding and deleting big, useless files. It displays disk space usage with a nice chart. You can navigate the folders easily with the chart.


Landiskape is a storage visualizer which tells you how your storage is being used by using an easy to understand 2D chart.




Take back your hard disk space with Spacie. Spacie scans files and folders on your hard disk and display them in column view, with size information shown up-front. It can help you quickly locate large files that are occupying the precious space on your hard disk.

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.


1Tree Pro lets you see drives/directories/files size in 1 tree view, so as to let you to do manual disk cleaning work easily. It loads drives, folders and files with their sizes (sorted by size in descending order), and offers some common commands.

GetFoldersize allows you to determine the size of folders and sub-folders on your hard drive. Determine which programs are taking up your hard disk space. For each folder, you can display the total file size and the number of files and subfolders in the folder.

Disk Usage Analyzer - a free program to analyze disk space of the computer. It helps you to quickly and easily determine the size of folders on your computer, as well as the number of files they contain.
