Disk Space Fan Pro is a is not only a duplicate file finder, but also a powerful disk space analysis tool for Windows. It helps you to free up disk space by quickly finding and deleting big, useless files.

1Tree is described as '(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' and is an app. There are more than 25 alternatives to 1Tree for a variety of platforms, including Windows, Mac, Linux, BSD and Flathub apps. The best 1Tree alternative is WinDirStat, which is both free and Open Source. Other great apps like 1Tree are WizTree, Baobab Disk Usage Analyzer, TreeSize and SquirrelDisk.
Disk Space Fan Pro is a is not only a duplicate file finder, but also a powerful disk space analysis tool for Windows. It helps you to free up disk space by quickly finding and deleting big, useless files.

"DiskMapper is a remarkable utility that frees up megabytes and megabytes of hard disk space - quickly and easily by showing you a useful, graphical, color-coded map of your hard disk. DiskMapper lets you quickly delete or compress programs and files you dont need or rarely...

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.

DiskSweep allows you to easily see which files and folders are taking up the most disk space and delete the unnecessary ones to free up space.

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.

Total Directory Report - is a professional application designed to allow you viewing your folders, disks or FTP servers as a set of analytical reports or detailed ordered lists in HTML, CSV or PDF formats.

The most powerful disk space sizing and analysis utility there is! Answering the Who/What/Where/When of your Disk Space.


Helps you figure out where all that hard drive space has gone on your computer. Visually displays the size of each folder in the form of a bar graph.

Large Files Finder will help you to instantly find and delete large files that occupy your hard drive on Windows, Mac, and Linux.


Disk Space Finder helps visualize your data to find wasted space. It shows you a graphical diagram of what is takeing up your space.
