Best Duplicate File Finders in 2026
Updated
Duplicate file finders help locate repeated files so you can review copies before deciding what to keep. Compare match methods and scan locations to understand how each tool searches; folder exclusions and file previews can help you manage what gets checked and reviewed. Automatic selection and Recycle Bin or Trash handling are also worth weighing before cleanup. Check platform coverage, free-plan availability, and paid-from pricing for additional differences. Czkawka, dupeGuru, and fclones are among the entries, alongside AllDup and CloneSpy. Consider where you need to scan and how much control you want over reviewing possible matches.
38ranked
18free plans on this page
$1/molowest paid tier
9 Oct 2026last checked
18 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | CzkawkaWindows · Mac · Linux · Android | Three bars | — | 4 of 6 | Free | 6.6 | |
| 2 | dupeGuruWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.6 | |
| 3 | Anti-TwinWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 4 | Duplicate Files FixerWindows · Mac · Android | Three bars | — | 3 of 6 | €3/mo | 6.5 | |
| 5 | fclonesWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 6 | jdupesWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 7 | rdfindWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 8 | Space WizardWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 9 | AllDupWindows | Two bars | — | 1 of 6 | Free | 6.4 | |
| 10 | Auslogics Driver UpdaterWindows | Two bars | — | 1 of 6 | Free | 6.4 | |
| 11 | CloneSpyWindows | Two bars | — | 1 of 6 | Free | 6.4 | |
| 12 | DoubleKillerWindows | Two bars | — | 1 of 6 | Free | 6.4 | |
| 13 | Duplicate CleanerWindows | Two bars | — | 1 of 6 | Free | 6.4 | |
| 14 | Folder SizeWindows | Two bars | — | 1 of 6 | $24.95/mo | 6.4 | |
| 15 | rmlintMac · Linux · Self-hosted | Two bars | — | 2 of 6 | Free | 6.4 | |
| 16 | EaseUS DupFiles CleanerWindows | Two bars | — | 1 of 6 | $5/mo | 6.3 | |
| 17 | fdupesLinux | Two bars | — | 1 of 6 | Free | 6.3 | |
| 18 | Wise Duplicate FinderWindows | Two bars | — | 1 of 6 | $1/mo | 6.2 | |
| 19 | dskDittoMac · Linux | One bar | — | — | 2 of 6 | — | 5.5 |
| 20 | DUDE (DUplicates DEtector)Windows · Linux | One bar | — | — | 2 of 6 | — | 5.5 |
| 21 | dupeGuruWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.4 |
| 22 | WhatInStartupWindows | One bar | — | — | 1 of 6 | — | 5.4 |
| 23 | Dup DetectorWindows · Mac · Linux | One bar | — | — | 3 of 6 | — | 5.3 |
| 24 | Nektony Duplicate File FinderMac | One bar | — | — | 1 of 6 | — | 5.3 |
| 25 | Ashisoft Duplicate File FinderWindows | No signal | — | — | 1 of 6 | $3.33/mo | 5.2 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Platform coverage | Scan locations |
|---|---|---|---|---|---|---|---|---|
| 1 | Czkawka | 6.6 | Free plan | Free | Yes | — | cross-platform | User-selected directories and files |
| 2 | dupeGuru | 6.6 | Free plan | Free | Yes | — | cross-platform | folders |
| 3 | Anti-Twin | 6.5 | Free plan | Free | Yes | — | cross-platform | local hard disks, USB flash disks, memory cards, shared network folders, second folder/path |
| 4 | Duplicate Files Fixer | 6.5 | Free plan | €3/mo | No | — | cross-platform | Computer storage, internal drives, external storage, Google Drive, Dropbox, connected smartphones |
| 5 | fclones | 6.5 | Free plan | Free | Yes | — | cross-platform | Directory trees, multiple directory roots, standard-input file lists, and mounted or removable devices |
| 6 | jdupes | 6.5 | Free plan | Free | Yes | — | cross-platform | Local directory paths, recursive subdirectories, and optionally symlinked paths |
| 7 | rdfind | 6.5 | Free plan | Free | Yes | — | cross-platform | Directories and individual files supplied as command-line arguments |
| 8 | Space Wizard | 6.5 | Free plan | Free | Yes | — | cross-platform | selected folders; whole drives; multiple drives; shared or NAS folders |
| 9 | AllDup | 6.4 | Free plan | Free | Yes | — | windows | local drives and storage media; network paths and shares; archive files including ZIP, RAR, and 7Z |
| 10 | Auslogics Driver Updater | 6.4 | Free plan | Free | Yes | — | windows | Internal SSD/HDD drives, external hard drives, USB flash drives, memory cards, and other connected drives; network drives are not supported |
| 11 | CloneSpy | 6.4 | Free plan | Free | Yes | — | windows | local folders and hard drives; DVDs; network drives; checksum files |
| 12 | DoubleKiller | 6.4 | Free plan | Free | Yes | 19.95 one-time | windows | Directories, complete drives, network computers; Pro also supports ZIP archives and catalog files |
| 13 | Duplicate Cleaner | 6.4 | Free plan | Free | Yes | — | windows | Local folders and drives; network/UNC paths; portable devices; ZIP and other archives |
| 14 | Folder Size | 6.4 | Free plan | $24.95/mo | Yes | — | windows | Folders, local drives, computers, diskettes, CD/DVD-ROM, USB flash drives, external hard drives, NAS, and network computers or drives |
| 15 | rmlint | 6.4 | Free plan | Free | Yes | — | cross-platform | Local filesystem paths, mounted volumes, and file lists supplied through standard input |
| 16 | EaseUS DupFiles Cleaner | 6.3 | Free plan | $5/mo | Yes | — | windows | Selected folders and drives on the computer, including local copies downloaded from Google Drive or Dropbox; direct cloud scanning is not supported. |
| 17 | fdupes | 6.3 | Free plan | Free | — | — | — | specified directories; subdirectories; symlinked directories |
| 18 | Wise Duplicate Finder | 6.2 | Free plan | $1/mo | Yes | — | windows | Selected folders and disks; multiple folders and drives are supported |
| 19 | dskDitto | 5.5 | No | — | Yes | — | cross-platform | Local filesystem paths, directories, and optionally virtual filesystem directories |
| 20 | DUDE (DUplicates DEtector) | 5.5 | No | — | Yes | — | cross-platform | Designated local folders and drives |
| 21 | dupeGuru | 5.4 | No | — | Yes | — | cross-platform | User-selected folders on the computer; selected folders can be set as normal, reference, or excluded. |
| 22 | WhatInStartup | 5.4 | No | — | Yes | — | windows | Local folders and drives; OneDrive folder via NTFS symbolic links or junction points |
| 23 | Dup Detector | 5.3 | No | — | Yes | — | cross-platform | — |
| 24 | Nektony Duplicate File Finder | 5.3 | No | — | Yes | — | macos | Selected folders and drives; external disks; Photos and Music libraries; cloud storage |
| 25 | Ashisoft Duplicate File Finder | 5.2 | No | $3.33/mo | Yes | — | windows | PC, local drives, folders, USB drives, external hard disks, Google Drive, Dropbox |
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