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KDiskMark

KDiskMark is a free, open-source desktop app for Linux. A simple open-source disk benchmark tool for Linux distros. It has 1,711 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at JonMagon/KDiskMark.

github.com/JonMagon/KDiskMark (opens in a new tab)

About KDiskMark

KDiskMark is an HDD and SSD benchmark tool with a very friendly graphical user interface. KDiskMark with its presets and powerful GUI calls Flexible I/O Tester and handles the output to provide an easy to view and interpret comprehensive benchmark result. The application is written in C++ with Qt and doesn't have any KDE dependencies.

Install KDiskMark

Package names found in the project's README. Each links to its package page so you can check the publisher first.

Flathub (Linux)
flatpak install flathub io.github.jonmagon.kdiskmark

Package page (opens in a new tab)

Snap (Linux)
snap install kdiskmark

Package page (opens in a new tab)

FAQ

KDiskMark FAQ

Still curious? Email info@appsgit.com.

What is KDiskMark?

KDiskMark is a free, open-source desktop app for Linux. A simple open-source disk benchmark tool for Linux distros. It has 1,711 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at JonMagon/KDiskMark.

Is KDiskMark free and open source?

Yes. KDiskMark's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install KDiskMark?

Flathub: flatpak install flathub io.github.jonmagon.kdiskmark and Snap: snap install kdiskmark. The commands are on this page. Installers are also on its GitHub Releases page (latest: 3.3.0).

Is KDiskMark still maintained?

The repository's most recent commit was on Aug 18, 2026. appsgit only lists apps whose repository had a commit in the last six months.