fdupes

6.6easy start · #15 of 38
in Duplicate File Finders

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you worknot on record

Runs on Linux.

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fdupes is ranked #15 of 38 in duplicate file finders on The Geeks Club. It runs on Linux. There is a free plan.

fdupes plans and pricing

All plans

Free Free Free software under a license permitting use, copying, modification, and distribution github.com · 5 Oct 2026

Compared on duplicate file finders

Scan locations: specified directories; subdirectories; symlinked directories
Match methods: file size; MD5 signature; byte-by-byte comparison
Automatic selection: Yes

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The record

Purpose: fdupes identifies duplicate files within specified directories and can delete selected duplicates.
Recursive scans: It can recurse into subdirectories and optionally follow symbolic links.
Duplicate matching: It offers a quick summary mode that skips slower byte-for-byte match confirmation.
Comparison cache: An optional database cache stores file signatures to speed up comparisons.
Filters and sorting: Options include minimum and maximum file sizes, hidden and empty file exclusions, permission matching, and sorting by time, change time, or name.
Deletion: Interactive deletion prompts users to choose which files to preserve, while no-prompt modes can delete duplicates automatically.
Deletion caution: The project warns that using deletion with symlink following or listing the same directory more than once can lead to data loss.
Install method: The project recommends installing through the operating system’s package manager when available, or downloading a release and compiling it.
Build dependencies: A full-featured build requires ncursesw and PCRE2; building without ncurses disables the screen-mode selection interface.
Integrations: The project documents no third-party service integrations; it runs against directories supplied on the command line.
Security: GitHub reports that the project has no SECURITY.md policy and no published security advisories.
License: The software is provided free of charge under terms that permit use, copying, modification, distribution, sublicensing, and sale of copies.
Support: The README lists Adrian Lopez’s email address for contact; no formal support plan is described.
Intended user: The maintainer says the development version is intended for developers and recommends end users use a release version.
Price from: Free

Where it ranks on The Geeks Club

Best Duplicate File Finders in 2026#15 of 38

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Sources

github.com/adrianlopezroche/fdupes· checked 5 Oct 2026
github.com/adrianlopezroche/fdupes/releases· checked 5 Oct 2026
github.com/adrianlopezroche/fdupes/blob/master/INS· checked 5 Oct 2026
github.com/adrianlopezroche/fdupes/blob/master/INS· checked 5 Oct 2026
github.com/adrianlopezroche/fdupes/security· checked 5 Oct 2026
github.com/adrianlopezroche/fdupes/blob/master/LIC· checked 5 Oct 2026
github.com/adrianlopezroche/fdupes/blob/master/REA· checked 5 Oct 2026