5 Best Free Disk Space Analyzers

Here are 5 Best Free Disk Space Analyzers. A Disk Space Analyzer analyzes your hard disk to find the larges files and folders. This helps you in quickly analyzing which files or folders are occupying majority of your disk space, and then get rid of them.

Disk Space Analyzers present the disk usage data graphically in a nice way so that you can quickly find files and folders that are largest in size.

Here are some of the best free Disk Space Analyzers.

1) SpaceSniffer

SpaceSniffer is really my favorite disk usage analyzer. That is because of the interesting way in which SpaceSniffer presents the disk usage data.

As you will see in this article, all the disk usage analyzers do a pretty good job at graphing the disk usage data. However, SpaceSniffer takes it even a step further by using an interesting Treemap concept.

Basically, it graphs the disk space usage data in form of elements, where size of element represents size of file or folder. Each element is further composed of multiple elements, with the size proportionate to their physical size on disk.

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If you want to analyze any element further, you can double click on it to blow it up.

This view presented by SpaceSniffer gives almost a 3D view of disk space usage data, and lets you easily narrow down to the files and folders that are choking up your disk space.

Some other great features of SpaceSniffer:

• You can choose to see disk usage for selected file type
• You can exclude any file types from the graph
• You can choose to see files that are older than a selected date.
• You can tag the files that you have already examined by using colors.

SpaceSniffer is easy to use, and feature rich.

2) Free Disk Usage Analyzer

Free Disk Usage Analyzer is another good disk space anlyzer. Disk Usage Analyzer can search for largest files and folders, and show the results in a nice tabular format.

Disk Usage Analyzer organizes the folders in order of their size, and shows folder size, number of files in folder, average file size, and percentage of space occupied by folder on your disk.

Having the disk space data in this nice easily sortable tabular format makes it extremely easy to analyze data.

Disk Usage Analyzer integrates directly with Windows explorer. So, if you see a folder in this, you can delete it, move it, or open that to analyze further.

3) Disk Space Fan

Disk Space Fan is a free and easy disk space analysis software to find largest files and folders in your disk. Disk Space Fan does a pretty good job at graphing the disk usage data.

Disk Space Fan will immediately graph your largest files and folders so you can quickly see which bad guys are occupying most of the disk space.

Disk Space Fan is also integrated with Windows explorer so you can browse, open, and delete files immediately.

4) OverDisk

OverDisk is another disk usage analyzer, that works and looks a lot like Disk Space Fan. OverDisk lets you see disk usage quickly using graphs. You can scan entire disk, or selected folder.

OverDisk is still in alpha stage at time of writing this article. We are looking forward to the release of final version.

5) Glary Utilities

If you know about Glary Utilities, you might be surprised to see it in this list. Glary Utilities is a free software to tweak windows settings, and make it perform faster. Glary Utilities provides many features, like cleanup & repair, Optimize and Improve, and Privacy and Security related features.

Apart from all these, Glary Utilities also provides feature to analyze disk usage. It will neatly show you the largest files and folders on your drive. It is pretty basic in its functionality, but gets the job done. Coupled with all other features that Glary Utilities provides, this is really one of the must have tools for any Windows PC.

Another similar software that provides disk usage function as well is TweakNow.

Before starting to delete your files to free up your disk, you might want to find duplicate files, securely delete them, and then use this disk usage analyzers to find the large ones.

After deleting files, make sure you defragment hard disk to get better performance.

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