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TreeSize

jam-software.com/treesize Hardware & Diagnostics Website

TreeSize analyzes disk space to locate large files and folders for cleanup.

Visit TreeSize 6 alternatives
jam-software.com/treesize
TreeSize homepage screenshot

About TreeSize

TreeSize is a disk space analyzer for Windows that shows which files and folders take up the most storage, so users can find and remove clutter. The homepage describes it as a tool for individuals, teams, and IT administrators. It presents charts and folder breakdowns to show space use, and it also offers mass file actions, duplicate detection, and reporting.

Editions differ in what they include. The Free edition is listed for private, non-commercial use. Personal and Professional are paid, with a 14-day free trial. Professional adds features such as command line options, task scheduling, and custom exports in PDF, Excel, and HTML. Select editions can be set up as a portable version that runs from a USB drive. The homepage states that all editions run on-premise and that no data leaves the PC. The same page says TreeSize can analyze cloud storage, and it does not explain how cloud sources are accessed, so that privacy statement should be read with that in mind.

Key features

  • Treemap, pie, and bar charts showing disk usage
  • Windows Explorer-style navigation with detailed folder breakdowns
  • Filters to find the largest files and space hogs (Personal and above)
  • Duplicate file search for locating redundant files (Personal and above)
  • Mass actions such as deleting, moving, bulk renaming, and archiving files
  • Scan results exported as PDF, Excel, or CSV, with scheduled delivery by email or task
Best for: Home users, freelancers, and IT administrators who need to find large files and produce storage reports on Windows systems.
Good for
  • Offers several chart types for viewing disk usage at a glance
  • States that all editions run on-premise and that no data leaves the PC
  • Provides reporting and export options for storage tracking
Watch out for
  • The Free edition is limited to private, non-commercial use
  • Duplicate search and top-file filters are listed only for Personal and above
  • The portable version is available only in select editions

TreeSize at a glance

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

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TreeSize FAQ

Is TreeSize free to use?
A Free edition is listed for private, non-commercial use on Windows desktops. Personal and Professional are paid editions, and both offer a 14-day free trial.
Can TreeSize analyze cloud storage?
The homepage says TreeSize can analyze local drives, network shares, and cloud storage. It does not describe the setup steps for cloud sources.
Does TreeSize send my data off the PC?
The homepage states that all editions work on a fully on-premise basis and that no data leaves the PC. Cloud storage analysis is also listed, so users who scan cloud sources should check how that works.
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Listing maintained by Chris McClure and the WebIndexly editors · Updated Oct 12, 2026 · How we rank