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Files - Duplicate Checkers (10)

CloneSpy v3.22 Updated

Checker on 23 Aug 2015
  • 6MB (uncompressed)
  • Released on 22 Aug 2015
  • Suggested by Fluffy

CloneSpy can help you free up hard drive space by detecting and removing duplicate files with exactly the same contents regardless of their name, date, time, or location. Also, CloneSpy is able to find files that are not exactly identical, but have the same file name. This can be an issue for example if you have different versions of a file and you want to find and remove the older versions. CloneSpy is able to find zero-byte files.

Note: The installer now allows you to select between a 32-bit and a 64-bit version of CloneSpy.

Category:
System Requirements: WinXP / Vista / Win7 / Win8
Writes settings to: Application Folder
Stealth: ? Yes
Unicode support: Yes
License: Freeware
How to extract: Download the installer and select 'portable version' at installation type. Launch CloneSpy.exe.
What's new?
  • Fixed: CloneSpy no longer fails to move files to the recycle bin or another folder on Windows XP (regression since v3.21).
Latest comments
MarkyMark on 2015-04-09 15:36

A lot of people here trying to delete multiples of the same image - I just wanted to give a shout out to Dup Detector, which is a great piece of software that does exactly that.

Dup Detector doesn't just do file-size/checksum analysis, it actually analyzes the images to find similarities. E.g. one could be black & white and the other can be color, or one can be watermarked, or one could be taken 2 seconds later because someone blinked & it'll find both and display them to you and ask which one you want to delete or if you want to keep both. You can choose how strict it is in its matching algorithm - 100% mach, 95% match etc.

You can even have it set up to automatically select which one to delete based on rules - e.g. the smaller one. Then you just approve the selection by hitting the space bar, or you can just let it do its thing automatically, or you can go full-manual mode and click the image you want to delete. Super fast way to delete duplicates and easy to use. I've used it professionally to manage large image catalogs that had a lot of duplicates of different sizes.

Unfortunately, it's not portable.

The latest version I have is 3.3.02 from July 8, 2011. You can get an earlier version from rareware.

http://www.freeware-guide.com/rareware/DupDetector.html

I am Baas on 2015-04-09 16:44

@MarkyMark Dup Detector is in the database at http://www.portablefreeware.com/index.php?id=225

MarkyMark on 2015-04-10 02:08

Oh awesome. Well, it's still great software - it does one thing & does it very well.

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Bytessence DuplicateFinder v1.3.0 Updated

webfork on 15 Jun 2015
  • 1MB (uncompressed)
  • Released on 7 Oct 2011
  • Suggested by Wolfghost

Bytessence DuplicateFinder (BDF) detects all the cloned files that you might have on your computer. These files, in addition to taking up valuable space, can increase antivirus scan time, slow defragmentation and searches, and make it more difficult to organize your files.

The program employs optimized detection system and file filters to reduce scanning time. Detected files can be removed in no time with the help of the automatic file selector and the predefined set of actions (copying, moving or recycling).

Note: Website is offline, switched to Archive.org

Category:
System Requirements: WinXP / Vista / Win7 / Win8
Writes settings to: Application folder
Stealth: ? Yes
Unicode support: Yes
License: Freeware
How to extract: Download the Portable ZIP package and extract to a folder of your choice. Launch BDF.exe.
Similar/alternative apps: DoubleKiller
Latest comments
bytessence on 2011-10-08 09:43

Hello! I am the developer behind BDF. I just released a new version of the program (1.3) which fixes some annoying bugs.

If you can reproduce the crash, please enable logging from the Settings dialog. The error handler should catch the exception and will write it in the log. You can send the log to the support e-mail and I'll try to fix the problem. Thanks and don't hesitate to contact me if you find bugs.

webfork on 2013-02-03 21:32

Might be my new favorite duplicate finding program on the site next to DoubleKiller http://www.portablefreeware.com/index.php?id=136 (and certainly much easier to use).

webfork on 2013-05-10 01:51

Getting intermittent errors with the website. Softpedia link: http://www.softpedia.com/get/PORTABLE-SOFTWARE/System/File-management/Bytessence-DuplicateFinder-Portable.shtml

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Dup Detector v3.3.0.2 Updated

webfork on 30 Jun 2015
  • 2MB (uncompressed)
  • Released on 7 Aug 2011
  • Suggested by Kongu Tamil

Dup Detector finds duplicate or near-duplicate images by comparing image pixel data. As large image collections can over time pull in duplicates with different file sizes and different names, this program helps track those down and save disk space.

Category:
System Requirements: WinXP / Vista / Win7 / Win8
Writes settings to: Windows registry. It was a tough call, but I finally decided to accepted it as portable because it is probably not something that you will run that regularly. And when you run the program on a different machine, a few parameters will need to be adjusted anyway.
Stealth: ? No. A yaP configuration file to make Dup Detector portable and stealth is available at http://rolandtoth.hu/yaP/#examples
License: Freeware
How to extract:
  1. Download the installer and extract to a folder of your choice
  2. The application files are in the {app} folder
  3. Launch DupDetector.exe
Similar/alternative apps: Awesome Duplicate Photo Finder, ImgSearch
What's new? V3.30 3/2/11
  1. Added support for .GIF

V3.301 4/17/11
  1. Added alternate file extensions (.jpg .jpeg .jpe .jif) and (.tif .tiff)

V3.302 7/8/11
  1. Made minor changes to use of image list
Latest comments
nostariel on 2006-07-26 20:23

Link no longer works! Sad because this is exactly the type of program i was looking for.

Andrew Lee on 2006-07-26 23:55

Since the license says it is freely distributable, I have added a direct download link for those of you who still want it.

AlephX on 2007-02-04 23:45

I had a DL error... anyway itīs possible to find it even at
http://www.freeware-guide.com/rareware/DupDetector.html

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AllDup v3.4.24

Midas on 11 Mar 2015

AllDup removes duplicate files from one or multiple directories and includes a preview function using Windows own tools (IE, MediaPlayer, and WordPad). Can find duplicates by file name, file extension, file content, file dates, file attributes. The software can also scan ZIP or RAR archives (with an optional file size limit) and filter file types and/or folders.

Category:
System Requirements: WinXP / Vista / Win7
Writes settings to: Application folder
Dependencies: For WinXP: Service pack 1 or above
Stealth: ? Yes
Unicode support: No
License: Freeware (donate)
How to extract: Download the ZIP package and extract to a folder of your choice. Launch AllDupPortable.exe.
What's new?
  • NEW: Italian translation
  • NEW: Swedish translation
  • NEW: Command Line: Added the parameter -p to specify a profile.
  • FIX: Various optimizations have been introduced in various sections of AllDup. Various bugs have been fixed.
Latest comments
Lee on 2011-01-08 06:42

It's not freeware. It's a time-limited demo.

Onesimus Prime on 2011-01-09 02:18

At least three places on their site, they call it freeware, including the phrase "Freeware for private and commercial use" (http://www.alldup.de/en_alldup.htm)
On the other hand AllSync, from the same company, is time-limited shareware--perhaps Lee got the two confused?

webfork on 2013-02-16 20:12

@Prime: Unknown. Anyway, just rechecked the status and the current license info is correct.

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Awesome Duplicate Photo Finder v1.1 Updated

Midas on 6 Jun 2015

Awesome Duplicate Photo Finder is a powerful tool that helps you to find and remove duplicate photos or similar pictures on your PC. It is able to compare pictures that were resized or with corrected colors (e.g. contrast modified, black and white photos, etc.)

Category:
System Requirements: Win2K / WinXP / Vista / Win7
Writes settings to: None
Stealth: ? Yes
Unicode support: Yes. Supports unicode filenames.
License: Freeware
How to extract: Download the ZIP package and extract to a folder of your choice. Launch AwesomePhotoFinder.exe.
Similar/alternative apps: Dup Detector
What's new?
  • Support for TIFF images.
  • Option to search only identical pictures (excluding just similar).
  • Option to exclude scanning of subdirectories.
  • Option to check for program updates automatically.
  • Option to turn off the annoying confirmation of deleting files.
  • Saving settings.
Latest comments
jqb on 2010-05-31 12:02

awesome :)

kiwichick on 2010-06-17 08:22

Would be nice if it had an option to not search subfolders.

Hinesmdc on 2015-06-05 02:51

@kiwichick It does!

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