jdupes
jdupes: A focused, free command-line deduplicator for exact matches and link-based cleanup. Ranked #14 of 37 in Duplicate File Finders by our editors (7.2/10); pricing: Free plan; best for technical users needing exact deduplication and links.
At a glance
- Editor score7.2 / 10
- PricingFree plan
- Best forTechnical users needing exact deduplication and links
- Free planYes
- Paid fromFree
- Platform coverageCross-platform
- Founded2015
- Facts checked24 Sep 2026
Where it wins
- Full-file verification supports exact duplicate matching.
- Creates hard links, symbolic links, and Btrfs block-level deduplication.
- Recursive scans include local directories and optionally symlinked paths.
Where it doesn't
- No file previews for reviewing duplicate sets.
- No folder-exclusion controls for narrowing scans.
- No Recycle Bin handling for deleted duplicates.
Our verdict on jdupes
jdupes is an open-source command-line program for identifying and managing exact duplicate files. It is aimed at technical users who work with local directory paths on Windows or Linux and want precise matching rather than similarity-based or file-type-specific analysis. The program can scan recursively, list duplicate sets, summarize results, delete selected copies, and create hard or symbolic links. It also supports optionally scanning symlinked paths.
The published model is straightforward: jdupes is free and open source, with an MIT license. Its standout capability is control over how duplicates are handled after matching. Full-file verification establishes exact identity, while hash-based quick and partial matching options provide additional scan modes. Once results are identified, users can choose interactive or automatic deletion, create hard links, create symbolic links, or use Btrfs block-level deduplication. Btrfs is the listed ecosystem integration, making that storage environment particularly relevant for users interested in block-level deduplication.
jdupes keeps its scope narrow and technical. It offers duplicate listings and summary reporting rather than a visual review workflow, and it does not provide file previews, folder exclusions, or Recycle Bin handling. That makes it a strong fit for users comfortable with command-line operation who value exact byte-for-byte comparison, scripting-oriented control, and link creation. Users who want preview-driven selection, guided folder filtering, or recovery-oriented deletion should choose a duplicate finder built around those workflows instead.
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jdupes pricing
jdupes fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Platform coverage | Cross-platform |
| Scan locations | Directories and files specified on the command line; recursive subdirectories when enabled |
| Match methods | File-size comparison, partial hashing of the first 4 KiB, full-file hashing, then byte-by-byte comparison |
| File preview | No |
| Automatic selection | Yes |
| Recycle Bin / Trash | Not verified |
| Folder exclusions | Yes |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | jdupes.com |
| Facts checked | 24 Sep 2026 |
Alternatives to jdupes
- AllDupA fully free Windows duplicate finder with broad matching and cleanup controls.9.0
- CzkawkaA free, scriptable duplicate finder for technical users across Windows, macOS, Linux, and Android.8.8
- Wise Duplicate FinderA Windows duplicate finder with free manual cleanup and Pro date-based selection.8.7
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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