The best Duplicate File Finder alternative to GrandPerspective is WinDirStat, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to GrandPerspective and ten of them are Duplicate File Finders so hopefully you can find a suitable replacement. Other interesting Duplicate File Finder alternatives to GrandPerspective are WizTree, Xinorbis, Disk Xray and Disk Space Fan Pro.
Comprehensive disk analysis tool offering treemap visualizations to identify large files, duplicate detection, and versatile cleanup actions. Operates offline, ad-free, and open-source, it runs portably on Windows without registration, providing a lightweight solution to manage disk storage.
Comprehensive disk usage analyzer providing ultra-fast insight into space consumption by directly reading NTFS file systems. Identify top space hogs, sort content by size, and enjoy features like portability, offline access, dark mode, and no registration needs. Exclusive to NTFS drives.
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. Output reports to XML, CSV, HTML or plain ASCII.
Visual disk usage analyzer for Mac featuring byte-level duplicate file detection, detailed storage statistics, customizable folder scans, temporary file removal, undo safeguards, selective cleanup, support for large files, and dedicated modules for managing storage.
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.
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.
Disk Recon is a disk space utility that reveals all the crucial information that you need to find out where all your disk space has gone and how you can recover it.
This free-for-personal-use software utility analyses storage disk usage, and then presents the gathered information in graphical format(s) viz. a directory tree, or a pie chart.
Clean up your Mac's hard drive of tons of unneeded files and find duplicate files with just a drag & drop.
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Shows disk usage as graphics