FreeSize

Spec sheet

Purpose

FreeSize scans drives and shows which files and folders use the most space, largest first.Read 11 Oct 2026 · freesize.ch

Desktop platforms

windows,macos,linuxRead 22 Sep 2026 · freesize.ch

Free plan

YesRead 22 Sep 2026 · freesize.ch

Security

The app is code-signed with DigiCert EV and notarized on macOS.Read 11 Oct 2026 · freesize.ch

Support

The site lists [email protected] as its support contact.Read 11 Oct 2026 · freesize.ch

Headquarters

3376 Graben, SwitzerlandRead 28 Sep 2026 · freesize.ch

Getting started

Version 0.3.3 is available to download without registration.Read 11 Oct 2026 · freesize.ch

Live scanning

The folder tree grows live during a scan, showing top levels first.Read 11 Oct 2026 · freesize.ch

Local analysis

Analysis runs locally on the device, and the maker says file names and contents are never transmitted.Read 11 Oct 2026 · freesize.ch

Optional metrics

The maker says FreeSize Pro sends anonymous usage metrics only if the user chooses to enable them.Read 11 Oct 2026 · freesize.ch

Portal

The Pro portal shows device history, trends and volume usage, and is hosted in Switzerland.Read 11 Oct 2026 · freesize.ch

Pro monitoring

The Pro plan includes background drive monitoring that warns when storage is getting tight.Read 11 Oct 2026 · freesize.ch

Read-only

FreeSize performs read-only analysis and does not change or delete files on its own.Read 11 Oct 2026 · freesize.ch

Scan scope

files_foldersRead 22 Sep 2026 · freesize.ch

System requirements

The maker lists Windows 10 and 11 or Server 2019+, macOS 12+ on Apple Silicon, and Linux AppImage on Ubuntu 24.04+.Read 11 Oct 2026 · freesize.ch

Treemap view

YesRead 22 Sep 2026 · freesize.ch

Visualizations

It offers treemap, sunburst and heatmap views, with one-click zoom and a way to reveal an item in the file manager.Read 11 Oct 2026 · freesize.ch

Plans and prices

Every FreeSize plan and price →

Where Specifiction places it

• Disk Space Analyzers#28 of 1058.3