DiskGeek

DiskGeek scans your drives and shows exactly what's eating your space, with a sortable list view and a treemap view. It finds exact duplicates (SHA-256) and near-duplicate / visually similar images using perceptual hashing, with full-text search across scan results and batch rename. Snapshot comparison shows what changed between scans over time, and scheduled, unattended scans can run from the command line for ongoing monitoring. Includes NTFS permission auditing plus CSV/HTML export.

No installer bloat, no bundled offers, no telemetry, no Pro tier or upsells — 100% free.

Requires Windows 10 or 11 (64-bit). Self-contained installer bundles .NET 8, ~32 MB download.

Features

Exact & near-duplicate detection (SHA-256 + perceptual hashing)
List and treemap disk usage views
Full-text search + batch rename
Snapshot comparison + scheduled unattended scans (CLI)

Project Samples

List view — every file, sortable and filterable

Treemap view — see space usage at a glance

Exact duplicate detection, grouped by match

Near-duplicate / visually similar images (perceptual hashing)

Snapshot comparison — what changed over time

Project Activity

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Additional Project Details

Operating Systems

Windows

Intended Audience

End Users/Desktop

Programming Language

Related Categories

C# Disk Space Analyzers

Registered

2026-08-08

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