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jdupes

B
B tier on Duplicate File FindersScore 7.0 · #5 of 38
Android app
Not listed
Free plan
Yes
Runs on
Linux, Mac, Windows
Visit site Alternatives

Summary

jdupes is ranked #5 of 38 in duplicate file finders on Everything Xiaomi. It runs on Linux, macOS, Windows. There is a free plan.

jdupes plans and pricing

All plans
jdupes Free MIT-licensed software · exact duplicate matching github.com · 5 Oct 2026

Compared on duplicate file finders

Free plan
Yesjdupes.com
Platform coverage
cross-platformjdupes.com
Scan locations
Local directory paths, recursive subdirectories, and optionally symlinked pathsjdupes.com
Match methods
File size, hashes, and full byte-for-byte comparison; optional partial-hash matchingjdupes.com
File preview
Nojdupes.com
Automatic selection
Yesjdupes.com
Recycle Bin / Trash
Nojdupes.com
Folder exclusions
Nojdupes.com

Facts

Purpose
jdupes identifies duplicate files and can delete them, create hard links or symlinks, and perform block-level deduplication.github.com · 5 Oct 2026
Exact matches
jdupes matches files that are 100% identical and does not provide similarity matching for images, sounds, or other file formats.github.com · 5 Oct 2026
Performance
The project says jdupes was over seven times faster than fdupes 1.51 on average in tests on various data sets.github.com · 5 Oct 2026
Data safety
The project says it verifies matching file data after hashing to reduce the risk of false matches from hash collisions.github.com · 5 Oct 2026
Windows support
The project provides a native Windows port and notes support for Windows-specific behavior, including Unicode.github.com · 5 Oct 2026
Linux and Unix use
The usage instructions show running jdupes from a command line with one or more directory paths.github.com · 5 Oct 2026
File actions
Available actions include prompting to delete duplicates, deleting without prompting, linking duplicates, summarizing results, and copy-on-write deduplication.github.com · 5 Oct 2026
Repeat scans
The hash database option stores paths, hashes, and other metadata to speed up repeat runs, and the project labels this feature under development with quirks.github.com · 5 Oct 2026
Container use
The README provides a Docker command example for scanning a mounted directory.github.com · 5 Oct 2026
Integrations
The README documents Docker usage and says standard output can be piped to shell scripts for processing match sets.github.com · 5 Oct 2026
Security and safety
The project warns that disabling file change checks opens a time-of-check-to-time-of-use security vulnerability, especially for linking or deleting files.github.com · 5 Oct 2026
Notable limit
The README warns that quick matching skips byte-by-byte verification and may cause non-duplicates to be treated as duplicates.github.com · 5 Oct 2026
Support
The README directs bug reports and questions to Jody Bruchon by email.github.com · 5 Oct 2026
License
The project states that jdupes is distributed under the MIT License.github.com · 5 Oct 2026

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Sources