fsize

fsize 1.1.0

Analyze directory sizes and rank the largest files and folders on Windows.

  • By Wozzardman
  • Open Source
  • Portable
  • Updated Aug 19, 2026
Download for Windows

About fsize

A fast native Windows command-line utility for measuring directory sizes, ranking storage consumers, rendering depth scans as readable trees, and producing JSON output for automation.

What's new in 1.1.0

Adds colored ranked output, depth-based tree visualization, JSON output, type filtering, and unreadable-path reporting.

Full release notes »

Technical details

PublisherWozzardman
Version1.1.0
Release date2026-08-19
LicenseMIT
Installer typezip
Architecturex64
Package IDWozzardman.Fsize

Install fsize from the command line

Install with Windows Package Manager
winget install --id=Wozzardman.Fsize -e
Update to the latest version
winget upgrade --id=Wozzardman.Fsize -e
Uninstall
winget uninstall --id=Wozzardman.Fsize -e

fsize adds this command to the command line: fsize.

clidiskdisk-usagefilesystemstorage

Frequently asked questions

Is fsize free?

Yes. fsize is free and open-source software released under the MIT license.

What is the latest version of fsize?

The latest version is 1.1.0, released on Aug 19, 2026.

Is it safe to download fsize?

The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 5f73d24f60d3e2e876209ec3e8ddeccafb77b954a9b7c24a73a6b0fc50957445.

Which Windows versions does fsize support?

fsize runs on Windows and is available for 64-bit (x64) systems.

How do I uninstall fsize?

Open Settings › Apps › Installed apps, find fsize and select Uninstall. From the command line, run winget uninstall --id=Wozzardman.Fsize -e.

Is there a portable version of fsize?

Yes. fsize is available as a portable ZIP archive (fsize-v1.1.0-windows-x64-portable.zip, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.

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