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SpaceSniffer is a freeWare and portable 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 yo

Treemap concept was invented by Prof. Ben Shneiderman, who kindly permitted the use of his concept into this tool.

Start a scan process and see the overall situation. Bigger are the elements on the view, bigger are folders and files on your disk. You need more detail on a big folder? Just single click on it. The selected element will be detailed with its content.

Need more and more detail? Keep selecting elements and they'll discover their secrets to you. Need a larger view of a small folder? Then double click on it, and it'll zoom to the full extent of the view.

If you need to understand why no more free space is left on the media, keep following bigger elements. Maybe you want to focus only on particular file types... ok. Just type the file type on the filter field (example: *.jpg) and press enter. The view will react and show you only JPEG files.

Want to know if you have old files? Type the condition in the filter field (example: >2years) and the view will react accordingly.

You can also filter on file size, file date and combine all filters
(example: *.jpg;>1mb;<3months)


Fast and easy to use
Supports drag and drop
Intuitive structure layout, multiple views for different media
Zoomable elements, navigate like a web browser
The Windows folders and file popup menu is accessible by right mouse click
It's possible to restrict the view content by typing simple yet powerful filtering criteria
Different views of the same media can show differently filtered elements
Customizable in geometry, colors, behaviors
You can navigate even during the scan
Smart cached scanning engine, multiple views, single scan
You can refine a zoomed area by a secondary scan process, even with main scan active
Reacts to file system events, keeps always in synch, warns you by blinking elements
Can scan NTFS Alternate Data Streams
It doesn't clutter your registry, only a plain XML configuration file
It's portable, no installation required, just put the executable somewhere and let's go

New in version 1.0.4:

Now command prompt parameters are supported. Please see doc.
Folders drag and drop added in start dialog and main window.
Folder browse added in start dialog.
Added opened windows menu items to the Windows menu.
Added keyboard shortcuts. Please see doc.
The start dialog now keeps open when a bad path is entered. The previous behavior forced the user to reopen the dialog if a typing mistake occurred.
Added media description near the media icon in start dialog and in view window title.
Now a flash key icon is used for all removable media except for A:\ and B:\ drives, that keep the floppy icon.
Now the mouse tooltip on the Treemap has a more user friendly behavior.
Changed color management interface to fix a bug in previous used control library.
If more than one view is opened on the same media, all views after the first seem dead and need a "kickstart" through the filter field. Now it behaves correctly.

Keep this software updated with our Update Notifier. It's small, fast and free! ... more

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