Open Source Windows Duplicate File Finders

Duplicate File Finders for Windows

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Browse free open source Duplicate File Finders and projects for Windows below. Use the toggles on the left to filter open source Duplicate File Finders by OS, license, language, programming language, and project status.

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  • 1
    Swiss File Knife

    Swiss File Knife

    One hundred command line tools in a small and portable binary.

    Create zip files, extract zip files, replace text in files, search in files using expressions, stream text editor, instant command line ftp and http server, send folder via network, copy folder excluding sub folders and files, find duplicate files, run a command on all files of a folder, split and join large files, make md5 checksum lists of files, remove tab characters, convert CR/LF, list newest or biggest files of a folder, compare folders, treesize, show first or last lines of a file, find filenames fast using index files, rename many files using expressions, copy part of a file, change times of a file, set file time from filename, print colored text to terminal, convert csv to tab separated, download files from web, send http or udp requests, print tcp or udp traffic, create hexdump of files, join many text files into one, list nested .zip .tar .tar.gz .tar.bz2 archive contents. Fully portable, for USB stick, without installation. For Windows, Linux and Mac OS/X.
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    Downloads: 360 This Week
    Last Update:
    See Project
  • 2
    Duplicate Files Finder is a cross-platform application for finding and removing duplicate files by deleting, creating hardlinks or creating symbolic links. A special algorithm minimizes the amount of data read from disk, so the program is very fast.
    Downloads: 79 This Week
    Last Update:
    See Project
  • 3
    VisiPics

    VisiPics

    Find and/or delete duplicate photos on Windows

    VisiPics is a free program that finds and deletes duplicate images on Windows. It works by processing folders you specify and searching for groups of duplicate images. You can use three different filters to find duplicate images: Strict: Returns almost identical results Basic: Returns results with more differences Loose: Returns results with much more differences
    Downloads: 68 This Week
    Last Update:
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  • 4
    MediaFileDuplicateFinder

    MediaFileDuplicateFinder

    MediaFileDuplicateFinder finds duplicated video, image, & audio files

    Media File Duplicate Finder finds duplicated video and image files based on similarity. Finds duplicates which have different resolution, frame rate, watermark, and video file tags. It's a cross-platform program that supports Windows, Linux and Mac-OS. Please use below link to report bugs, feature-request, or questions. https://github.com/David-Maisonave/MediaFileDuplicateFinder/issues/new/choose For more information, visit the following Wiki page: https://github.com/David-Maisonave/MediaFileDuplicateFinder/wiki
    Downloads: 60 This Week
    Last Update:
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  • 5
    GDuplicateFinder

    GDuplicateFinder

    GDuplicateFinder - A FREE Groovy way to find file duplicates!

    Unlike other duplicate finders such as Easy Duplicate File Finder, Auslogics Duplicate File Finder, MindGems Fast Duplicate File Finder, Duplicate Cleaner, DupFiles and others, GDuplicateFinder is a FREE cross-platform application, with the ability to search among not just local files, but files on the network, such as a Windows or a Linux share using VFS library. Taking advantage of Groovy facilities and GPars power to process in parallel, GDuplicateFinder will help you get rid of those duplicates you always wanted to dispose in an easy and friendly way. Looking for translators to translate the app! If you'd like to help me, please create a GitHub Issue here (https://github.com/guicamest/GDuplicate-Finder/issues) mentioning the language so that I get notified. Thanks in advance <3 If you want to help me continue improving this app, donate some money through paypal! https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=fezuqqg9t6j6y
    Downloads: 12 This Week
    Last Update:
    See Project
  • 6
    Antares Duplicate File Finder

    Antares Duplicate File Finder

    Program for finding duplicate files

    Antares Duplicate File Finder is a convenient and flexible program for finding duplicate files
    Downloads: 7 This Week
    Last Update:
    See Project
  • 7
    DuplicaErase
    Introducing a lightweight duplicate file remover tool for Windows. With this software, you can efficiently identify duplicate files, determine the amount of storage occupied by these files, and seamlessly remove them. Free up valuable disk space by eliminating redundant copies and optimizing your storage usage. Some Antivers may show false virus alert ignore it , this tool delete files so i think thats why they think this is virus. dont use this tool on "C" drive or where you install your windows .
    Downloads: 4 This Week
    Last Update:
    See Project
  • 8

    DuplicadosEraser2

    Search, find and manage duplicate files and folders with this program

    It compares files and folders, even inside compressed archives. When done, you can send the duplicate files or folders to the recycle bin, another folder or erase them, or save the list to work later.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9

    littleutils

    Various small and useful command-line utilities

    The littleutils include duplicate file finders (repeats, repeats.pl, repeats.py), image optimizers (opt-jpg, opt-png, opt-gif, recomp-jpg), file rename tools (lowercase, uppercase, pren), archive recompressors (to-gzip, to-bzip2, to-bzip3, to-7zip, to-lzma, to-lzip, to-xz), a tempfile utility (tempname), file property tools (filedate, filemode, filenode, fileown, filesize, and lrealpath), and others. See the README file for more details.
    Downloads: 4 This Week
    Last Update:
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  • 10
    Simple Directory Toolbox

    Simple Directory Toolbox

    Portable collections of directory tools (Unhide etc)

    Hi, simple directory tools is another portable software i made. I made this to help people whom work with directory/files using longer method (cmd, etc). I plan to create some tools, but because it's still alpha, there are still few finished. Still, you can use it. 1. Unhidder Finds hidden/Superhidden files/folders and restore it to normal state 2. Duplicate file finder Find duplicated files, and easily removes it 3. Space analyzer Analyze folder, list which file/folder takes how much size in disk Here is the virustotal result https://www.virustotal.com/en/file/a5b742d657293c0563364e28545548afd45501e5ed9a72e69875177e757ace1e/analysis/1391693986
    Downloads: 3 This Week
    Last Update:
    See Project
  • 11
    duplicate-file-cleaner

    duplicate-file-cleaner

    Windows GUI application for scan and clean the duplicate files

    This is a GUI application for Windows platform, which can scan all files under the specified directory and use SHA256 signature to ensure the consistency of file content. It also supports deleting or transferring duplicate files with the same SHA256 signature. No installation is required, just run it directly after decompression. It does not rely on the network and supports offline operation.
    Downloads: 3 This Week
    Last Update:
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  • 12
    Text Line Duplicate Remover

    Text Line Duplicate Remover

    Remove duplicate lines from your text

    This standalone offline web browser tool helps you remove duplicate lines from your text, with additional text processing options. Simply open it in your browser by double-clicking the html file. It also includes the source code too. I made this when I was working with long lists of entries and needed something to automatically clean them up. As a bonus you can also change the Sentence Case of the text, make it lowercase, UPPERCASE or Sentence case.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 13

    CloneManager

    Allow to find duplicate files

    Two goals : Allow to find duplicated files on computer / find files which haven't been backed up yet
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    Duplicate File Finder 2.2

    Duplicate File Finder 2.2

    A program used to find duplicate files on your computer.

    The Duplicate File Finder by Autosofted is a free tool used to search a specific folder for any duplicate files that the folder and it's sub-folders may have. After detecting the duplicate files, the user then has the option to simply delete all those extra unnecessary files. Thus freeing up lots of hard-drive space.
    Downloads: 2 This Week
    Last Update:
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  • 15
    DUFF is (will be) a tool for Windows used to find and process duplicate files on a computer file system and/or network. It will have numerous built-in and plugin-based file comparison layers, duplicate markers, and fileset processers.
    Downloads: 1 This Week
    Last Update:
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  • 16

    FileDuplicateRemover

    Program finds identical files, user chooses which to delete

    Downloads: 1 This Week
    Last Update:
    See Project
  • 17

    dupliFinder

    Find duplicate files on your system

    dupliFinder is a app that searches your computer for duplicate files by compairing the MD5 sum of each file. You then have the option of deleting any duplicate files found. Great for collections of MP3s, images etc.. Runs on Windows & Linux with Java 1.5
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    Duplica is a software which can run on nay platform having java installed it find duplicate files in your system and Delete them on user action. Project home page is http://duplicasoft.appspot.com
    Downloads: 1 This Week
    Last Update:
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  • 19

    Fast Duplicate File Finder

    Superfast, lightweight, simple duplicate file finder

    A simple, super-fast, lightweight duplicate file finder written in java. System requirement: Java 1.6+ 20 KB of disk space (lol :D)
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    DupFinder

    DupFinder

    Free Duplicate File Finder and CleanUp Tool for Windows© XP/Vista/7/8

    AFDP 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. Also, AFDP is able to find files that are not exactly identical, but have the same file name. Perhaps you have different versions of a file and you want to find all of them and remove the older versions. AFDP can also find zero length files. These are files that have no content.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    DupStat

    DupStat

    Duplicate/unique file analyzer with at-a-glance statistics.

    This tool helps find duplicate files and folders across two selected directories. It can answer questions like, "What files are on my thumb drive that are not on my PC", and can help synchronize different backup copies of a folder structure. It helps you merge backups without accidentally deleting unique files. DupStat compares files across two selected directories (and their subdirectories). It shows duplication statistics across the selected directories to help you see where entire directories are duplicated. Version 0.5 has several new features, including Action menu with copy/move/delete capability, drag-and-drop capability to specify search directories on either side, file counts in the file pane, tooltips for most UI controls and options, directory swap and copy buttons, cleaned up UI options, Several updates and refinements are also included; see the change history section of the Readme file.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22

    Duplicate File Fixer 1.00g

    Find Duplicate Files and Manage Them

    This software finds duplicate files across all directory levels inside a given folder.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    (AYDUFF)a yet duplicate file finder.
    Downloads: 0 This Week
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    See Project
  • 24

    Filekit

    File Processing Tools - string search and DOS command execution

    Filekit is a set of file processing GUI tools that can be put into an USB flash, so that no installation is required. Aim of the project is to include many file processing tools such as file searching tool, batch rename file, find duplicate files, split and join files and so on ... Release 0.1.0 consist of the multi-threaded file search tool that allow you to select multiple folders and files, then search those files that contains particular strings using regular expression. Release 2.0 includes the DOS command execution function, so that you can apply DOS command to a list of selected folders and files. You can batch rename files using this feature. This release add an option to select files from the result panel and let you do iteration processing. Other features will be provided in future.
    Downloads: 0 This Week
    Last Update:
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  • 25
    HashCatalog is a program that can find duplicate files in one or more folders, or between 2 lists of one or more folders. HashCatalog can also create an xml database file containing a listing of files with hashes.
    Downloads: 0 This Week
    Last Update:
    See Project
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