You can also exclude tagged files (example: |:red will exclude all red tagged files) You can also filter on tags (example: :red will show only red tagges files, :all will show all tagged files and so on). There are keys also for yellow, green and blue tagging. Just hover the mouse on a file and press CTRL+1 to tag it red. If you want to keep track of examined files you can tag them. The view will show everything but JPEG files. Want to exclude files? Then type a starting pipe before the filter (example: |*.jpg) and press enter. The view will react and show you only JPEG files. Just type the file type on the filter field (example: *.jpg) and press enter. Maybe you want to focus only on particular file types.

If you need to understand why no more free space is left on media, keep following bigger elements. Need a larger view of a small folder? Then double click on it, and it'll zoom to the full extent of the view.

Need more and more detail? Keep selecting elements and they'll discover their secrets to you. The selected element will be detailed with its content. You need more detail on a big folder? Just single click on it. Bigger are the elements on the view, bigger are folders and files on your disk. Start a scan process and see the overall situation. Ben Shneiderman, who kindly permitted the use of his concept into this tool. By using a Treemap visualization layout, you have immediate perception of where big folders and files are placed on your devices. SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.

Spacesniffer windows 10