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K4DirStat

Free#95 of 104 in Disk Space Analyzers

K4DirStat: A free, open-source Linux utility for viewing directory disk usage numerically and graphically. Ranked #95 of 104 in Disk Space Analyzers by our editors (3.0/10); pricing: Free plan; best for linux users wanting simple graphical disk totals.

3.0/10Editor score

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K4DirStat3.0 Visit K4DirStat

At a glance

Editor score
3.0 / 10
Pricing
Free plan
Best for
Linux users wanting simple graphical disk totals
Free plan
Yes
Paid from
Free
Desktop platforms
linux
Facts checked
23 Sep 2026

Where it wins
- Analyzes disk usage across directory trees
- Shows disk usage in both numeric and graphical forms
- Free and open source under the GPL-2.0 license
Where it doesn't
- Its verified platform support is limited to Linux
- Focuses on files and folders rather than individual app sizes
- The described feature set centers on basic disk-usage inspection

Our verdict on K4DirStat

K4DirStat is a KDE utility for Linux that analyzes disk usage across directory trees and reports the space used numerically and graphically. It is suited to solo users who want a desktop view of local storage rather than relying only on command-line totals. The project describes itself as similar to the Unix `du` command, with a visual presentation layered onto directory-level usage inspection.

Its scope is deliberately focused: the documented features cover scanning files and folders and presenting disk usage in two forms. The graphical view gives users a way to inspect directory totals visually, while the numeric report supports straightforward comparisons. This makes K4DirStat a fit for basic storage checks, but not for buyers seeking documented app-size views or broader analysis capabilities. Its Linux/KDE orientation also makes it a poor fit for people who need a cross-platform disk analyzer.

K4DirStat is open source and distributed under the GPL-2.0 license. The project’s build instructions specify Qt 5 and KDE Framework 5, which point to a KDE desktop environment and may matter to users building the software themselves. Choose it if you want a free, Linux-focused utility for understanding how space is distributed across directories. Look elsewhere if your workflow depends on platforms beyond Linux or requires more than numeric and graphical directory usage summaries.

Your product? Our editors can test K4DirStat in depth and publish a review, labelled as paid · from $149/mo →

K4DirStat pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on github.com

K4DirStat fact sheet

Free plan	Yes
Paid from	Free
Desktop platforms	linux
Treemap view	Not verified
Application sizes	No
File-type breakdown	Not verified
External drive scans	Not verified
Exportable reports	Not verified
Scan scope	Files_folders
Deployment	Self-hosted, Desktop
Platforms	Linux
Built for	Solo (editorial estimate)
Pricing	Free plan
Website	github.com
Facts checked	23 Sep 2026

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Featured on iTechGuides

K4DirStat is listed in our Disk Space Analyzers directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update