Our computers are requiring more storage space on a daily basis as a result of the higher quality of media files, games, and applications. The low storage error will ultimately appear, regardless of how large your system’s hard drive is.
In order to free up some disk space at that point, you can either remove the unnecessary material or transfer the large files to an external hard drive. And for this, you’ll need the assistance of a disk space analyzer tool that will display all of your data in an understandable format and assist you in managing it.
A disk space analyzer, sometimes known as a storage analyzer, is an application that scans your computer and creates a report outlining everything that occupies disk space, including videos, saved files, installation files for programs, and more.
To determine the cause of your hard disk, flash drive, or external drive filling up, use one of these tools. You can even remove files directly from the software with some of them.
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Table of Contents
1. Disk Savvy
Disk Savvy is the top disk space analyzer program on our list because it is easy to use and packed with features that can help you free up disk space.
To determine which file kinds consume the most storage, you can examine internal and external hard drives, perform a search, remove files directly from the software, and organize files by extension. Also available is a list of the top 100 largest files or folders, which you may save to your computer and evaluate at a later time.
Although a professional edition is also offered, the freeware edition appears ideal. Install it on Windows Server 2022–2003 and Windows versions 11 through XP.
In terms of features, WinDirStat is right up there with Disk Savvy; we just don’t like the way it looks.
Create your own unique cleanup commands to swiftly do tasks like deleting files with a specific extension from a particular folder or relocating items off the hard drive. Additionally, you can simultaneously scan many hard drives and directories to determine which file categories occupy the most space.
Only the Windows operating system supports the installation of WinDirStat. It should function with Windows 95, Windows 98 SE, Windows ME, Windows NT4, etc., up to and including Windows 11.
JDiskReport, another free disk space analyzer, shows file storage as a list view, a pie chart, or a bar graph. You can better understand how files and folders behave in relation to available space by viewing the disk utilization graphically.
The folders that were scanned are in the left pane, and the options for data analysis are in the right pane. The program lacks the ability to remove files, and it scans a hard drive more slowly than some of the other programs on our list.
Users of Mac, Linux, and Windows can utilize JDiskReport.
The applications discussed above are beneficial in many ways because they give you a distinctive angle from which to view the data. Although TreeSize Free isn’t really useful in that regard, it does allow you to view the largest directories and the files that are taking up the most space within them.
To make room for new files or folders, eliminate any folders or files you find inside the software.
Purchase a portable version that can be used without installation on flash devices and external hard drives. TreeSize Free may only be used on Windows.
RidNacs is a Windows OS program that is similar to TreeSize Free but lacks some of the buttons that can discourage you from using it. It is more appealing to use due to its clear and straightforward design.
Use RidNacs to scan individual folders or whole hard disks. This is a crucial function in a disk analyzer tool because it can take a while to scan a whole hard drive when you just need to examine the information for one folder.
To see the folders or files shown in decreasing order, open the folders as you would in File Explorer. RidNacs has the fundamental functionality that a disk analyzer needs, but it is deficient in the more sophisticated functions found in programs like WinDirStat.
Another free disk space analyzer for Windows is called Disktective. This one may be taken with you on a flash drive because it is portable and uses less than 1 MB of disk space.
When Disktective starts up, it prompts you to select the directory you want to scan. Any folder on any connected hard drive, including detachable ones, as well as the whole hard drives, can be selected.
The program’s right side displays a pie chart to show the disk usage breakdown for each folder, while the left panel displays the folder and file sizes in a familiar File Explorer-like layout.
Disktective is fairly user-friendly, however, it suffers from the following significant shortcomings: You cannot delete or open folders or files from within the software, and the size units are static, meaning they are all either in bytes, kilobytes, or megabytes. The export-to-HTML feature also produces a file that is not very easy to read (whatever you choose).
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The majority of us are accustomed to viewing the data on our computers in a list view; however, SpaceSniffer shows folder and file sizes using blocks of various sizes.
In SpaceSniffer, right-clicking any folder or file brings up the same menu as in File Explorer, allowing you to copy, delete, and do other file operations. You can browse the results using the filter function by file type, size, or date. The output can be exported to a TXT or SpaceSniffer Snapshot file.
8. Folder Size
Since File Explorer only displays the size of the files and not the size of the folders, this disk space analyzer is helpful. You may view the sizes of each folder in a tiny window using Folder Size. You can sort the folders in this window by size to determine which ones consume the most storage.
You can disable CD/DVD devices, removable storage, and network shares in the Folder Size options.
Unlike the other analyzers on this list, the Folder Size interface is completely unique. If you merely need to sort folders by size and don’t need charts, filters, or additional capabilities, this software will work just fine.
If you enjoy animated interactive content, HDGraph might be right for you. It creates a circular ring-based graphic with the most data in the center and more data moving outward from each folder. The same chart rules will be applied to every section of the chart when you double-click on a section to look at it in more detail.
The chart can be entirely adjusted to your preferences in terms of text, font, size, and density. It performs a decent job of displaying data, but because you can’t interact with the data directly, things can be a little awkward.
Another very basic disk analyzer tool that formats data from huge to small files and simply displays data in GBs. Furthermore, it goes a bit further by displaying the total items, percentage size, total files and folders, and the latest edited date. It is also amazingly quick (3 seconds in my instance).
Interestingly, it also offers a helpful “File view” component that only displays the files in a particular region while also providing all the relevant information, such as size and changed date. Additionally, a search box allows you to easily find the necessary files and work with them directly from the UI.