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Files - Duplicate Checkers (9)

CloneSpy v3.11 Updated

Checker on 1 Mar 2014
  • 6MB (uncompressed)
  • 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.

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?
  • Added: The system can now be automatically shut down after a scan is done.
  • Added: System sleep can now be prevented while scanning (see Priority page of the Options window).
  • Added: Some dialogs can now be configured to never show up again.
  • Modified: Mitigated database access problems if several instances of CloneSpy are run in parallel (although not recommended).
  • Fixed: CloneSpy no longer asks about saving settings when the user selects to automatically exit the program after scanning.
  • Fixed: CloneSpy can no longer be configured to exit automatically if zero length files should be presented to the user.
  • Fixed: If a folder in an inactive pool is also added into the other pool then this conflict is now resolved silently.
  • Fixed: Eliminated a bug that caused a crash while scanning or aborting a scan which happened in rare cases.
Latest comments
Bill on 2010-08-31 15:36

I've used this utility for about 5 years along with several other dup killers. It has a bit more of a learning curve than some of the others and users might miss, or not understand, certain options (like how to show all of the duplicate files together instead of having to confirm each file individually. Maybe the designer could make showing all of the files together the default. It lets you save a set of options that you can load for different situations. I haven't used it much but it's worth looking if you want customized de-duping. The app isn't the fastest but I'm not looking for fast as much as I'm looking for accuracy. So far, this app hasn't let me down. It's a useful addition to my toolkit.

Robert on 2010-11-02 11:01

I've been using CloneSpy for many years, some of my suggestions have made it into the program and I was beta-tester in the process of making the program work with Windows DEP.

It may not be the fastest program, but it works flawlessly and the developer reacts nearly instantly when you inform him of bugs (and most of them should by now be gone) or suggestions, the "Delete empty subdirectories" in batch that was added to 2.52 comes from me (and maybe others)

As for some of the comments above:

No it will not assume a.txt another a.txt, as it builds checksums for each file (and probably also compares sizes)

No, there is no need to confirm 10,000 times that you want to delete a file, unless you tell it to do so

And most of all, it's a neat little program at just over 1Mb, without any dependency on DLL's or the registry.

__philippe on 2013-08-11 15:16

Top-notch Alternative:
Leaner (139k !), faster File Content search AND Duplicate File checker rolled into one tool:

Nirsoft SearchMyFiles
http://www.portablefreeware.com/index.php?q=searchmyfiles

__philippe

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AllDup v3.4.24 Updated

webfork on 16 Mar 2014

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

webfork on 13 Apr 2013

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
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.

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Simple Duplicate Finder v1.2.0.3

webfork on 7 Oct 2012

Simple Duplicate Finder helps track down similar files either to delete extras and save space or to compare versions. While most duplicate-searching programs are looking for exact copies, SDF uses a Percentage Search, allowing you to adjust the percentage difference required for a file to be considered a duplicate. Once scanned, the program will display the number of bytes which differ as well as the specific percentage match between files.

This is useful for example with metadata: when Windows Image Import tool downloads pictures from your digital camera, additional XML data is inserted into the images and video files, including a timestamp of when the image was downloaded to the computer. Although the image is identical in every way to its original, the file will appear as unique. SDF can detect these files and help remove them.

Category:
System Requirements: WinXP / Vista / Win7
Writes settings to: None
Stealth: ? Yes
License: Freeware
How to extract: Download the ZIP package and extract to a folder of your choice. Launch DupFinder.exe.
What's new? ----Version 1.0.0.0----
Initial Release

----Version 1.1.0.0----
Added percentage match ability, this superceeds smart jpeg search feature.
Added Extension filter to search only for specific file types.
Bugfix, empty directory search could cause previous version to hang.
Updated program icon to be compatable with olders versions of windows.

----Version 1.2.0.0----
Code optimization for increased speed.
Added ability to compare files which sizes are not identical, but within percentage match.
Total progress now still displayed during a large file compare.

----Version 1.2.0.1----
Fixed a sort problem where text could be incorrect for an item

----Version 1.2.0.2----
Increased sort speed

----Version 1.2.0.3----
Renamed program to "Simple Duplicate Finder" since someone stole my other program name
Latest comments
bankr on 2013-07-09 18:06

As for me Simple Duplicate Finder is the best dup cleaner so far.
In my perfect world all programs has classic UI and do only what they should )))

gregoryg72 on 2014-04-14 12:12

Would be awesome...if it let you delete the "original" file if you choose to. The program only wants to delete the dup files. if you select the original file and try to delete it, it prompts for conformation, but then does nothing.

webfork on 2014-04-19 00:25

gregoryg72: I use DoubleKiller for this purpose: http://www.portablefreeware.com/index.php?id=136

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Anti-Twin v1.8d

Andrew Lee on 12 Feb 2013

Anti-Twin searches for duplicate or similar files on your hard disk drive. All similar or identical files that were found can either be sent to the recycle bin or directly deleted. Supports comparing the entire binary content of the files, searching for identical or similar file names, and pixel-based image comparison, e.g. search for similar pictures.

Category:
System Requirements: Win98 / WinME / WinNT / Win2K / WinXP / Vista / Win7
Writes settings to: Application folder
Stealth: ? No. Stores recently used folders in the registry
Unicode support: Yes. A non-unicode version is also available.
License: Free for personal use
How to extract: Download AntiTwin.exe to a folder of your choice and launch.