A native Windows application for quickly analyzing disk usage and finding the files and folders that consume the most space.
Cost / License
- Free
- Proprietary
Platforms
- Windows




SpaceSniffer is described as 'Tool application that gives you an idea of how folders and files are structured on your disks. By using a Treemap visualization layout, you have immediate perception of where big folders and files are situated on your devices' and is a very popular disk usage analyzer in the system & hardware category. There are more than 50 alternatives to SpaceSniffer for a variety of platforms, including Windows, Mac, Linux, BSD and Android apps. The best SpaceSniffer alternative is WinDirStat, which is both free and Open Source. Other great apps like SpaceSniffer are WizTree, Baobab Disk Usage Analyzer, Filelight and SD Maid SE.
A native Windows application for quickly analyzing disk usage and finding the files and folders that consume the most space.




FreeUpDisk is a free disk space analyzer and cleanup tool for Windows and Mac. Its core feature is a treemap visualization: a visual map where every file and folder on your drive is represented as a colored rectangle, with size proportional to how much space it occupies.
Free disk analyzer for Windows scans drives to reveal largest files and folders, displays visual tree with size bars, supports file type labels and minimum-size filtering, offers search and browser-based lookup, and includes safe cleanup features to remove temporary files.




A modern disk space analyzer for Windows that visually maps your storage and uses AI to help you quickly find and clean up unnecessary files.
