DupeRadar — Duplicate Download Detector
Catch repeat downloads before they pile up.
A privacy-first Chrome extension that warns when a browser download appears to duplicate an existing download, without deleting or interrupting files.
Local-first, lifetime license
Filename and known-size duplicate warnings
Local recent-alert list
Warnings toggle
Non-destructive review workflow
Privacy-safe local export and reset
Copy-suffix and renamed-file collision rules
Local browser download-history search
User-assisted streaming SHA-256 comparison
Non-destructive cleanup suggestions
Product preview
See DupeRadar — Duplicate Download Detector in action
Current release artwork showing the main workflow, key features, and lifetime-license experience.
