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Files - Duplicate Checkers (11)

Awesome Duplicate Photo Finder v1.1

Checker on 2 Dec 2015
  • 2MB (uncompressed)
  • Released on 18 Oct 2012
  • Suggested by boloyoung

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
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!

webfork on 2015-11-29 20:56

Absolutely excellent program that saved a ton of room on my hard drive, clearing out duplicates as well as several multiple-size images from an earlier effort to compress some really big photos. The best part is how it automatically sees two photos that are already very similar and helps you pick the better one to archive. There were only one or two false-positives in a batch of hundreds (a concert picture somehow got paired with a painting of Mozart).

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Simple Duplicate Finder v1.2.0.3

Midas on 5 Mar 2015

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.

Note: main site appears to be down, switched to archive.org

Category:
System Requirements: WinXP / Vista / Win7 / Win8
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
webfork on 2014-04-19 00:25

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

Allen on 2015-01-18 21:56

Links are all dead

I am Baas on 2015-01-18 23:14

@Allen
Thanks... linked to archive.org

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Bytessence DuplicateFinder v1.3.0

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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AllDup v4.1.8 Updated

billon on 14 Sep 2018
  • 8MB (uncompressed)
  • Released on 14 Sep 2018
  • Suggested by guinness

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 / Win8 / Win10
Writes settings to: Application folder
Stealth: ? Yes
Unicode support: Yes
License: Freeware
How to extract: Download the "Portable Edition" ZIP package and extract to a folder of your choice. Launch AllDupPortable.exe.

Optionally, delete unnecessary language files.
What's new? See:
http://www.alldup.de/alldup_help/alldup_version.php
Latest comments
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.

MIKLO on 2017-10-12 15:04

Working as "freeware" for me :) very nice software does all I want and more thanks for job well done.
MIKLO

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Double Killer v1.6.2.82

webfork on 24 Oct 2017
  • 794KB (uncompressed)
  • Released on 5 Jun 2007
  • Suggested by Andrew Lee

Double Killer searches single or multiple folders/partitions for identical files. Files can be compared by name, size, date and/or CRC32 checksums. Masks like *.mp*g or *.dll are supported and files with certain attributes (e.g. hidden files, may be excluded from the search). When the search is finished a list containing all double files found is displayed and you can select the files which should be deleted or moved.

Although fully functional, a pro version is available for commercial use and has some advanced features.

Note: the main site has had some intermittent issues so we are linking to Softpedia.

Category:
System Requirements: Win98 / WinME / Win2K / WinXP
Writes settings to: None
License: Free for personal/private use
How to extract: Download the ZIP package and extract to a folder of your choice. Launch DoubleKiller.exe.
Similar/alternative apps: DuplicateFinder
Latest comments
Ken C on 2009-01-18 15:26

Simple, quick, effective.
Great!

Allen on 2015-01-18 21:24

Links to download & website appear to be dead or down

webfork on 2015-01-18 22:25

Allen: confirmed ... updating links.

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