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Editors’ Review

Download.com staff

SpaceSniffer is a freeware that offers a highly intuitive and portable solution for understanding how files and folders consume disk space. Its innovative Treemap visualization provides immediate insight into storage allocation, making it easy to spot large data hogs at a glance.

SpaceSniffer is a free tool, while appreciating donations, is designed for quick diagnostics without the need for installation. Simply run the executable, and you’re on your way to a clearer picture of your storage landscape, effortlessly revealing hidden files and directories that might be consuming valuable space without your knowledge.

Discover the powerful visualization and flexible filtering

The core strength of SpaceSniffer lies in its dynamic Treemap visualization. Elements expand and contract with single and double clicks, allowing users to drill down into specific folders or zoom out for a broader perspective. This navigation mirrors a web browser experience, making it incredibly user-friendly for exploring complex directory structures. The ability to navigate even during a scan is a significant time-saver, providing real-time updates as the program works.

However, while the filtering capabilities are robust, some users might find the text-based filter syntax a slight learning curve initially. Remembering specific commands like |*.jpg for exclusion or :red for tagged files could require a quick reference. This command-line like input, while powerful, lacks the immediate visual feedback of a graphical filter interface, which might not be ideal for absolute beginners who prefer point-and-click options.

Beyond basic file type filtering, this impresses with its advanced options, including filtering by file size, date, and user-defined color tags. These features, combined with the export module for customizable textual reports, make it a versatile tool for both casual users and those requiring detailed disk analysis. Its ability to react to file system events ensures the view remains synchronized, highlighting changes by blinking elements.

Enlarged image for SpaceSniffer
SpaceSniffer 0/1
  • Pros

    • Intuitive Treemap visualization
    • Portable, no installation required
    • Powerful, flexible filtering options
    • Real-time scanning and synchronization
  • Cons

    • Text-based filter syntax has a learning curve

Bottom Line

Your essential tool for disk analysis

In conclusion, SpaceSniffer is an exceptionally effective and user-friendly tool for anyone needing to analyze and manage disk space. Its unique Treemap visualization, combined with powerful filtering and reporting features, provides an invaluable overview of storage utilization. Despite a minor learning curve for advanced filters, its portability and real-time scanning make it a top choice for quick and comprehensive disk diagnostics.

What’s new in version 2.0.2.5

  • Bug fixes


Explore More


Full Specifications

GENERAL
Release
Latest update
Version
2.0.2.5
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows 7
  • Windows XP
  • Windows 2000
  • Windows 10
  • Windows Vista
POPULARITY
Total Downloads
229,298
Downloads Last Week
37

Report Software

Program available in other languages


Last Updated


User Reviews

4.8/5

15 User Votes


Developer’s Description

Find lost space on your disk.

SpaceSniffer is an easy, fast and effective way to find where your wonderful free disk space has gone. Featuring a smart cached scanning engine, an easy and powerful filtering system and a nice to see animated disk layout, finding that old, forgotten, big JPEGs, database backups and so on is a painless operation. SpaceSniffer listens to file system events, so it keeps always in sync. It is capable also of scanning NTFS Alternate Data Streams.


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