Tech riderRev. 5 Oct 2026
- 1Runs onLinux, Mac, Windows
- 2CostsFree plan
- 3Platform coveragecross-platform
- 4Scan locationsLocal directory paths, recursive subdirectories, and optionally symlinked paths
- 5Match methodsFile size, hashes, and full byte-for-byte comparison; optional partial-hash matching
- 6File previewNo
- 7Automatic selectionYes
- 8Recycle Bin / TrashNo
8 lines stated Written from the maker's own pages: jdupes.com, github.com
Overview
jdupes is ranked #6 of 38 in duplicate file finders on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.
jdupes plans and pricing
All plansCompared 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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Where it ranks on Specifiction
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Sources
- github.com/deep-soft/jdupes· checked 5 Oct 2026