Tech riderRev. 11 Oct 2026
Dup Detector
- 1Runs onLinux, Mac, Windows
- 2CostsFree plan
- 3Platform coveragecross-platform
- 4Match methodsfile size; partial content; full content hashing
4 lines stated Written from the maker's own pages: dupdetector.com
Overview
Dup Detector is ranked #18 of 38 in duplicate file finders on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.
Dup Detector plans and pricing
All plansFree Free Free forever · macOS, Windows & Linux · duplicates are not automatically deleted dupdetector.com · 11 Oct 2026
Compared on duplicate file finders
- Free plan
- Yesdupdetector.com
- Platform coverage
- cross-platformdupdetector.com
- Match methods
- file size; partial content; full content hashingdupdetector.com
Facts
- Purpose
- Dup Detector is a free, open source desktop app for detecting duplicate files and reclaiming drive space.dupdetector.com · 11 Oct 2026
- Matching
- Smart hashing compares file sizes first, then partial content, and fully hashes files when necessary.dupdetector.com · 11 Oct 2026
- Performance
- The maker says the app scans 10,000 or more files per second using smart hashing.dupdetector.com · 11 Oct 2026
- Scanning
- The app supports multithreaded scanning and describes its memory footprint as minimal.dupdetector.com · 11 Oct 2026
- Deletion control
- The app identifies duplicates but does not automatically delete them; users choose what to keep or remove.dupdetector.com · 11 Oct 2026
- Open source
- The maker says Dup Detector is 100% open source and invites users to inspect the code and contribute.dupdetector.com · 11 Oct 2026
- Privacy
- The maker says the app has no analytics, telemetry, or data collection.dupdetector.com · 11 Oct 2026
- Integrations
- The maker page links to GitHub and Discord; it does not state that the app integrates with other software.dupdetector.com · 11 Oct 2026
- Support
- The maker page offers a GitHub issue link and a Discord community for help and feedback.dupdetector.com · 11 Oct 2026
- Intended users
- The maker describes Dup Detector as a simple tool for finding duplicates and reclaiming storage space.dupdetector.com · 11 Oct 2026
Best Dup Detector alternatives
See all 20 All accessCh 01 dupeGuru Free planLinuxMac Free to start7.3 All accessCh 02 Duplicate Cleaner Free planFree trialWindows Free to start7.3 All accessCh 03 Czkawka Free planAndroidLinux Free to start7.2 All accessCh 04 Duplicate Files Fixer Free planAndroidMac from €3/mo7.2 All accessCh 05 fclones Free planLinuxMac Free to start7.2 All accessCh 06 Anti-Twin Free planLinuxMac Free to start7.1
Where it ranks on Specifiction
- Best Duplicate File Finders in 2026#18 of 38
Is Dup Detector yours?
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Sources
- dupdetector.com· checked 11 Oct 2026