It isn’t unusual to see your hard disk filling up quicker than you ever before considered. This is particularly real in case of Windows. And nailing the culprit giant files on your disk isn’t always a rosy job. This is where we particularly miss out on Ubuntu’s Disk Use Analyzer. The good news is SpyGlass for Windows will do the job for you.

SpyGlass is a tiny yet effective data visualizer for Windows which wonderfully represents space occupied by numerous files and folders on your hard disk. It also increases up as a handy duplicate file finder.

Installation and Usage

Installing SpyGlass is an easy hit-next affair. The installer is also pretty compact at mere 6 MB. SpyGlass deals with Windows XP and above.

Download: SpyGlass for Windows [6.0 MB]

Using SpyGlass is as basic as it gets. All you need to do to begin with is just drag and drop or open the Drive/Folder you wish to examine.

spyglass for windows

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Depending on the size of the folder the scan will take a while. We found that while the graph of the information will be done almost instantly, duplicate scan will take rather time and can be somewhat more resource hungry than it’s acceptable.

You can turn off replicate scan by clicking on the red block throughout the scan

spyglass charts

Once the scan is done, you’ll exist with a lovely sunburst view of your data. Simply click any arc of the plan to dig deeper. To navigate back, click on the black hole at the center. If you click the folders at the right, the particular arc will be highlighted on the charts. You can also hover on the arcs to simply glance at the contents. If you click the small arrow in the traveler view beside the folders, you can straight go to the folder in Windows Explorer.

The bigger arcs represent bigger occupancy of the disk space. Yellow pieces stands for specific files, while blue stands for folders. Grey represents a mix of files and folders. You’ll be welcomed with a good how you can when you start the app for the first time.

spyglass help

The replicate finder present is quite useful too. To switch over to the replicate finder, just click the files icon at the right most edge. To switch over back, simply click on the circles icon present in the same location.

spyglass duplicate file finder

The replicate finder can list files by name, size, adjustment date or duplicate matter. If you select a file, you’ll be shown all the replicate circumstances of the file at the right. Now the designers appear to be keen on visual clues a lot. If you click on the flag alongside the file name, the flag will be marked red and the file is selected for removal. If you click on the flag again, it’s marked yellow and all the yellow significant files are available for relocating.

While I’ve no issues with the approach, it can get complicated initially in spite of the aid shown in the app. Capacity to straight go to Windows Explorer appears to be remarkably cut off here for reasons most effectively understood to the developers.


While there’s a provision for stopping duplicate scan when you open a folder, it can surge the CPU usage considerably. We’d like to see this problem repaired in the future. Also preferable is arrangement to open Explorer in replicate finder.

These quirks aside, with it’s easy dark UI and beautiful visualization of your data, SpyGlass can be profoundly convenient for checking the files and folders which occupy the most area on your hard disk. The duplicate file finder comes is nifty as well. A have to have if you find your disk area lessening.