Filelight visualizes disk usage and helps identify files that can be removed to free space.

apps.kde.org/en-gb/filelight
Filelight homepage screenshot

About Filelight

Filelight is an application that shows how disk space is used on a computer. It displays folders as concentric rings, so users can see which folders take up the most space. The homepage lists Linux and Windows as platforms. On Linux it can be installed through Discover or other AppStream application stores, through the distribution's package manager, or from Flathub.

Filelight can scan local, remote, or removable disks and show detailed information about files and folders. Users can delete files or folders from within the application. It also integrates with the Dolphin, Konqueror, and Krusader file managers. The homepage does not describe confirmation or undo steps for deletion, so users should check how deletion works before removing files.

Key features

  • Visualises disk usage as concentric rings showing folder sizes
  • Scans local, remote, or removable disks
  • Shows detailed information about files and folders
  • Deletes files or folders that take up too much space
  • Integrates with Dolphin, Konqueror, and Krusader file managers
  • Configurable colour schemes
Best for: Linux and Windows users who want to see which folders use the most disk space and remove files to free up room.
Good for
  • Presents disk usage as concentric rings, which the homepage describes as easy to understand
  • Works with local, remote, and removable disks

Filelight at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Linux, Web, Windows
Open source
Not stated
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

Filelight alternatives

Tools and sites you could use instead, ranked by how closely they match.

NCDU

dev.yorhel.nl/ncdu

ncdu analyzes disk usage in a text-mode interface, according to its project page.

dut

codeberg.org/201984/dut

dut calculates disk usage on Linux, according to its project description.

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Filelight FAQ

How can I install Filelight on Linux?
The homepage says it can be installed through Discover or other AppStream application stores, or through your distribution's package manager. It can also be downloaded from Flathub.
Can Filelight scan drives other than the one on my computer?
Yes. The homepage says Filelight can scan local, remote, or removable disks.
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