DiskGeek
Free disk space analyser for Windows — no ads, no bloat
...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.