Duff AlternativesDuplicate File Finders and other similar apps like Duff

Duff is described as 'DuFF is Unix command-line utility for quickly finding duplicates in a given set of files' and is a duplicate file finder in the file management category. There are more than 100 alternatives to Duff for a variety of platforms, including Windows, Mac, Linux, iPhone and iPad apps. The best Duff alternative is Czkawka, which is both free and Open Source. Other great apps like Duff are dupeGuru, AllDup, Duplicate Cleaner and VisiPics.

Duff
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DuFF is Unix command-line utility for quickly finding duplicates in a given set of files.

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More about Duff
Duff alternatives page was last updated Mar 28, 2022
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  1. Czkawka icon

    Czkawka

     118 likes
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    Czkawka is a simple, fast, written in Rust and easy to use app to remove unnecessary files from your computer.

    129 Czkawka alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    Czkawka screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Duplicate File Finder
    2.  Image Preview
    3.  Fast file and folder search
    4.  Dark Mode
    5.  Graphical User Interface
    6.  Multi Folders Selection
    7.  Rust
    8.  Command line interface
    9.  Ad-free
    10.  Works Offline
    11.  No registration required
    12.  No Tracking

    Czkawka VS Duff

     

    • Czkawka is the most popular Windows, Mac & Linux alternative to Duff.

    • Czkawka is the most popular Open Source & free alternative to Duff.

    • Czkawka is Free and Open SourceDuff is also Free and Open Source
    • Czkawka is LightweightDuff is not according to our users
  2. dupeGuru icon

    dupeGuru

     200 likes
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    dupeGuru is a free and open source tool to find duplicate files on your computer. It can scan either filenames or contents. The filename scan features a fuzzy matching algorithm that can find duplicate filenames even when they are not exactly the same.

    128 dupeGuru alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • CA flagCanada

    Platforms

    • Mac
    • Windows
    • Linux
    dupeGuru screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Duplicate File Finder
    2.  Local based GUI
    3.  Automatic deletion of duplicate entries
    4.  Works Offline
    5.  Ad-free
    6.  No registration required
    7.  Support for Hotkeys

    dupeGuru VS Duff

     
  4. AllDup icon

    AllDup

     60 likes
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    Find and remove duplicate files! Find and hardlink duplicate files! Find and shortcut duplicate files! Find similar files!.

    86 AllDup alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Windows
    AllDup screenshot 1

    AllDup Features

    1.  Multi Folders Selection
    2.  File preview
    3.  Multi-selection
    4.  Works Offline
    5.  Ad-free
    6.  Portable
    7.  Dark Mode
    8.  No registration required
    9.  Image Preview
    10.  Partial name compare

    AllDup VS Duff

     
  5. Ad
    Screenshot
    Systweak Disk Speedup icon
    Systweak Disk Speedup

    Disk Speedup tool effortlessly cleans junk files, optimizes file storage, removes duplicate files, and fixes file errors to let your system perform in best and secure environment.

    https://www.systweak.com
    Learn More
  6. Duplicate Cleaner icon

    Duplicate Cleaner

     153 likes
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    Duplicate Cleaner is a tool for finding and removing duplicate files from your computer or network drives; It is intended to be used on user content - documents, photos, images, music, but can be used to scan any type of files.

    114 Duplicate Cleaner alternatives

    License model

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Windows
    Duplicate Cleaner screenshot 1

    Duplicate Cleaner Features

    1.  Find similar images
    2.  Disk Maintenance

    Duplicate Cleaner VS Duff

     

    • Duplicate Cleaner is the most popular commercial alternative to Duff.

    • Duplicate Cleaner is Paid and ProprietaryDuff is Free and Open Source
  7. VisiPics icon

    VisiPics

     102 likes
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    VisiPics does more than just look for identical files, it goes beyond checksums to look for similar pictures and does it all with a simple user interface. First, you select the root folder or folders to find and catalogue all of your pictures.

    53 VisiPics alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • FR flagFrance
    • European Union flagEU

    Platforms

    • Windows
    Main UI
    Discontinued

    The program seems to be no longer updated. Last version, 1.31, released in February 2013, can be still downloaded from the official website.

    VisiPics Features

    1.  Find similar images
    2.  Image indentify
    3.  Visual analysis
    4.  Compare pictures
    5.  Image Preview

    VisiPics VS Duff

     
  8. AVG PC TuneUp icon

    AVG PC TuneUp

     150 likes
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    Enhance PC performance by boosting speed and freeing up disk space. Features include Turbo Mode, Program Deactivator, and battery savers like Economy Mode—plus tools to manage startups and clean registries effectively.

    171 AVG PC TuneUp alternatives

    License model

    Application types

    Country of Origin

    • CZ flagCzechia
    • European Union flagEU

    Platforms

    • Windows
    Dashboard

    AVG PC TuneUp Features

    1.  Photo Recovery
    2.  Works Offline
    3.  NTFS Partition Recovery
    4.  Delete Temporary Files
    5.  Recover Corrupted Files
    6.  Ad-free
    7.  1-click maintenance
    8.  Customize Windows
    9.  Memory Optimization
    10.  Registry repairing

    AVG PC TuneUp VS Duff

     
  10. FSlint icon

    FSlint

     66 likes
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    FSlint is a utility to find and clean various forms of lint on a filesystem. I.E. unwanted or problematic cruft in your files or file names. For example, one form of lint it finds is duplicate files. It has both GUI and command line modes.

    93 FSlint alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • IE flagIreland
    • European Union flagEU

    Platforms

    • Linux
    FSlint screenshot 1
    Discontinued

    The last update is from July 2021. The developer suggests using Czkawka icon Czkawka instead.

    FSlint Features

    1.  Graphical User Interface
    2.  Filesystem

    FSlint VS Duff

     
  11. SearchMyFiles icon

    SearchMyFiles

     35 likes
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    SearchMyFiles is a non-indexing portable alternative to the standard "Search For Files And Folders" module of Windows. It allows you to easily search files in your system by wildcard, by last modified/created/last accessed time, by file attributes, by file content...

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • IL flagIsrael

    Platforms

    • Windows
    SearchMyFiles screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Local Search
    2.  Portable
    3.  Full-Text Search
    4.  Non-Indexing search
    5.  No registration required
    6.  Works Offline
    7.  Ad-free
    8.  Network Scanner

    SearchMyFiles VS Duff

     
  12. CloneSpy icon

    CloneSpy

     57 likes
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    CloneSpy is a Free Duplicate File CleanUp Tool for Windows. CloneSpy can help you free up hard drive space by detecting and removing duplicate files. Duplicate files have exactly the same contents regardless of their name, date, time and location.

    63 CloneSpy alternatives

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Windows
    Mode-Selection

    Properties

    1.  Lightweight

    Features

    1.  Portable
    2.  Ad-free
    3.  No registration required
    4.  Works Offline

    CloneSpy VS Duff

     
  13. Ashampoo WinOptimizer icon

    Ashampoo WinOptimizer

     16 likes
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    Ashampoo WinOptimizer is a suite of over 30 tools for cleaning, optimizing, and protecting your Windows PC. It includes advanced privacy management, system analysis, tuning assistant, and more. The latest version features an upgraded 1-Click Optimiser for robust cleaning...

    95 Ashampoo WinOptimizer alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Windows
    Ashampoo WinOptimizer screenshot 1

    Ashampoo WinOptimizer Features

    1.  Dark Mode
    2.  File Splitting
    3.  1-click maintenance
    4.  Customize Windows

    Ashampoo WinOptimizer VS Duff

     
  14. Gemini 2 icon

    Gemini 2

     23 likes
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    Software tool designed specifically for Mac system to identify and remove duplicate files using intelligent scanning, providing disk space optimization. Features include a drag-and-drop user interface, Finder menu integration, external drive detection, and a one-click duplicate wizard.

    75 Gemini 2 alternatives

    License model

    Application type

    Country of Origin

    • UA flagUkraine

    Platforms

    • Mac
    Gemini 2 screenshot 1

    Gemini 2 Features

    1. Finder icon  Apple Finder Integration
    2.  Drag and Drop

    Gemini 2 VS Duff

     
  15. i-DeClone icon

    i-DeClone

     9 likes
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    i-DeClone discovers and removes duplicate and similar files from your PC and mobile phone. It will remove the clutter from your media, photo and document collections, and leave your PC storage tidy, with 3 easy steps:

    License model

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Windows
    i-DeClone screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Duplicate File Finder
    2.  Ad-free
    3.  Command line interface
    4.  Dark Mode
    5.  Portable
    6.  Delete Temporary Files
    7.  Works Offline
    8.  No Tracking

    i-DeClone VS Duff

     
12 of 112 Duff alternatives