This is an unofficial distribution of the open-source WinDirStat project (https://windirstat.net/), originally created by Bernhard Seifert and Oliver Schneider. The original project is no longer actively maintained. WinDirStat - Remastered is a modernized build with an updated UI, improved performance, and full Windows 11 support. The original version is still available at windirstat.net for anyone who prefers it.

WinDirStat - Remastered is a free disk space analyzer for Windows that shows you exactly what's using your disk space. Visualize your entire hard drive with a color-coded treemap, find the largest files and folders, and reclaim wasted storage instantly. Whether you need a disk space analyzer, disk usage viewer, folder size checker, or storage visualizer, WinDirStat - Remastered is the fastest and most powerful free disk analysis tool on the Microsoft Store.

Disk Space Analyzer for Windows 11 & Windows 10

WinDirStat - Remastered is the best disk space analyzer for Windows 11 and Windows 10. Scan any drive or folder and see a complete breakdown of disk usage by file type, folder size, and directory structure. Scans your entire drive in seconds and shows you exactly where your disk space is going. The fastest free disk space analyzer on the Microsoft Store.

What's New in the Remastered Edition

WinDirStat - Remastered brings the classic disk analyzer into the modern era. Updated features include a redesigned Windows 11 Fluent UI interface, dark mode support, faster drive scanning, improved treemap rendering, better large file detection, and native Windows 11 compatibility. Everything you loved about the original WinDirStat, rebuilt and improved.

Treemap Visualization — See Your Disk at a Glance

WinDirStat - Remastered displays your disk usage as a color-coded treemap where every file is represented as a colored rectangle. Larger files appear as larger rectangles. Instantly spot the biggest space consumers on your drive without browsing through folders. The treemap visualization makes it easy to understand your disk usage at a glance. Click any rectangle to see the exact file path, size, and type.

Find Large Files & Folders

Find the biggest files and folders on your hard drive instantly. WinDirStat - Remastered sorts files and folders by size so you can quickly identify space hogs. Find forgotten downloads, old installers, duplicate backups, large videos, and oversized files that waste your disk space. The large file finder is the fastest way to free up disk space on Windows.

Folder Size Viewer — See Folder Sizes

See the exact size of every folder on your drive. WinDirStat - Remastered calculates and displays folder sizes in a tree view, showing how much space each folder and subfolder consumes. Windows Explorer doesn't show folder sizes by default — WinDirStat fills that gap. Navigate your folder structure and see sizes at every level instantly.

Disk Usage by File Type

WinDirStat - Remastered breaks down your disk usage by file type. See exactly how much space is consumed by videos, photos, documents, music, executables, archives, and every other file extension on your drive. The file type breakdown helps you understand which categories of files are consuming the most storage. Each file type is color-coded in the treemap for instant identification.

Scan Multiple Drives

Scan your C: drive, D: drive, external hard drives, USB drives, and network drives. WinDirStat - Remastered supports scanning any drive or folder connected to your Windows PC. Scan individual drives or scan all drives at once for a complete view of your total disk usage across all storage devices.

SpaceSniffer Alternative

WinDirStat - Remastered is the best free SpaceSniffer alternative. SpaceSniffer has been abandoned since 2015 — WinDirStat - Remastered provides the same treemap visualization with a modern interface, faster scanning, and full Windows 11 support. Switch from SpaceSniffer for an actively maintained disk space analyzer.

TreeSize Alternative

Looking for a free TreeSize alternative? WinDirStat - Remastered provides the same folder size analysis and disk usage breakdown as TreeSize — completely free with no feature limits. Folder sizes, file type statistics, and treemap visualization without requiring a paid license. The best free TreeSize alternative on the Microsoft Store.

WizTree Alternative

WinDirStat - Remastered is a powerful WizTree alternative that visualizes disk usage with a color-coded treemap. Scan any drive, view folder sizes, analyze file types, and find large files — all in one free tool. The most complete free disk usage analyzer available on Windows.

Clean Up Disk Space

Use WinDirStat - Remastered to identify junk files and reclaim disk space. After scanning your drive, find the files and folders consuming the most space. Delete unnecessary files directly or open their location in File Explorer. The essential first step before any disk cleanup.

Storage Analyzer for SSD & HDD

WinDirStat - Remastered works perfectly on both SSDs and traditional hard drives. Analyze storage on your primary SSD, secondary HDD, or any external storage device. SSD space is expensive — make the most of every gigabyte by seeing exactly what's consuming your storage.

Directory Tree View

Browse your entire drive in a detailed directory tree view. Every folder and subfolder is displayed with its total size, percentage of disk usage, and number of files. Expand and collapse folders to drill down into your disk structure. The directory tree works alongside the treemap for a complete view of your storage.

Fast Scanning

WinDirStat - Remastered scans your entire drive in seconds. Watch the treemap build in real time as the scan progresses. Even drives with millions of files are scanned quickly and efficiently. Minimal CPU and memory usage during scanning so you can continue working while it analyzes your storage.

Lightweight & Portable

WinDirStat - Remastered uses minimal system resources. No background services, no bloat, no unnecessary processes. The lightest disk space analyzer on the Microsoft Store. Runs fast on any Windows PC regardless of hardware specifications.

Clean Design for Windows 11

WinDirStat - Remastered is built with Microsoft Fluent UI for a native Windows 11 experience. Dark mode support, modern design, smooth animations, and a clean interface. The most modern-looking disk space analyzer available on Windows.

100% Free Disk Space Analyzer

WinDirStat - Remastered is completely free. No ads, no subscriptions, no trials, no premium features locked behind a paywall. Every feature of this disk space analyzer is free forever. Download the best free disk usage analyzer for Windows today.

Open Source

WinDirStat - Remastered is based on the open-source WinDirStat project, licensed under GPL-2.0. The original source code is available at https://github.com/windirstat/windirstat. We are committed to keeping this essential tool alive and accessible for the Windows community.