Editor's choice

AllDup 4.5.16

AllDup is a software designed by Michael Thumerer Software Design’s that is completely free for anyone who wishes to use it. AllDup has the capability to search and remove all types of duplicate files in your system through its powerful search engine. The fast algorithm present in the software has the ability to locate duplicates of any file type regardless of location. AllDup has a wide array of search criteria allowing it to be accurate when searching for a file, allowing users to locate exactly what they want, instead of getting a long line of files that do not relate.

How to Download AllDup

You can download the latest version of the program by clicking the Download button below the review. At your disposal, you will find executable and zipped versions.

The Program Review

How many times have you downloaded the same file multiple times or even extracted an archive over and over again to the point where you lost count? Ever browsed through your Computer’s file explorer to see multiple instances of the same file on different locations, making a mental note to come back later to delete them, only to forget?

Fortunately, thanks to AllDup, resolving this common yet cumbersome issue is a piece of cake. From just a few clicks you can say goodbye to all those cloned up junk lying away in your hard drive, external or flash storages.

Uses of AllDup

AllDup is packed with different uses making it a very useful freeware and a major kickback for its Paid competitors.

AllDup has the ability to search through large volumes of data in order to complete its task making it an excellent choice for clearing up your music, photos or video storage folders. With the use of aHash, dHash and pHash the software has the ability to locate similar images that are present in your system; however, it is to be noted that the images could not be identical even though they are similar.

Music files can also be searched through the use of ID3 tags or EXIF for reference, allowing individuals to locate files utilizing its metadata; If the user believes the metadata has been edited, then they have the option of removing the criteria from the search for a more accurate result.

AllDup allows you to find duplicate files regardless of the name, even if the name is not identical the search algorithms present in AllDup allow you to find the relevant file making it much more accurate than a manual search.

Hard links can often overwhelm systems and be an eyesore to its users, using AllDup one can deal with unwanted hard links in their system effortlessly, AllDup has the ability to locate hard links for a specific file, find and hard link duplicate files, find and delete hard links.

AllDup can scan entire storages or branches in your computer including external storage media such as Compact Disks, External Hard drives, Flash memory storages, and network drives.

The removal of cloned duplicate files will make your PC easier to organize and can potentially restore large amounts of data that would otherwise be wasted.


What are the special features that allow AllDup to be so efficient, faster and safer than its competitors?

  • Ability to search for files with similar names
  • The fast searching algorithm present in AllDup ensures that entire storages can be rummaged through in mere minutes saving tons of time for its users.
  • The program supports all file formats including executables.
  • It has a built-in file viewer that can be used to view and analyze the amount of data before it is processed allowing one to decide what actions and measures to carry out.
  • Ability to create, find and delete hard links with ease; One can also create shortcuts or hard links to the last original file.
  • All actions taken by the user are automatically saved onto a log allowing one to go back to see what changes they have made and henceforth reducing manual errors and allowing the user to have an easier time keeping track of things.
  • If needed the user can save their search to restore and carry out at a later date of their pleasing
  • Ability to locate duplicate music files and pictures with or without using their metadata.
  • AllDup can ignore EXIF data of JPEG files, ID3 tags of mp3 files and metadata of FLAC files when added to the search criteria allowing an in-depth customizable search.
  • Search criteria are not limited to name and can span from Filename, File content, File date to even File attributes. The program even has many options to select unnecessary duplicates automatically.
  • Through customization, the user is allowed to change all deleted files to automatically go to the recycle bin or a backup folder of their preference.
  • AllDup provides the user with the freedom to remove entire folders or files from the search through masks or size conditions
  • Search results can also be exported to a TXT or CSV file.

How does AllDup compare to its competitors?

AllDup although being a freeware stands above most of its competitors who offer mainly paid versions of their software. The reviewed program has received continuous praise and a rating above 4.5 on most sites. This is quite exceptional as even the paid versions of its competitors average much below that, hovering around the 3.5 to 4 mark.

The software is compatible with the following operating systems (Microsoft Windows 32- bit and 64-bit versions):


  • Microsoft Windows 10 (all versions)
  • Microsoft Windows 8 (all versions)
  • Microsoft Windows 7 (all versions)
  • Microsoft Windows Vista (all versions)
  • Microsoft Windows XP (all versions)


  • Microsoft Windows Server 2019 (all versions)
  • Microsoft Windows Server 2016 (all versions)
  • Microsoft Windows Server 2012 (all versions)
  • Microsoft Windows Server 2011 (all versions)
  • Microsoft Windows Server 2008 (all versions)
  • Microsoft Windows Server 2007 (all versions)
  • Microsoft Windows Server 2003 (all versions)
AllDup is a software that will search your hard disk for any duplicate files, which will allow you to save your disk space. Download it now.
9 Total Score
AllDup Review Summary

Looking at AllDup as a whole it is quite clear that the software is extremely beneficial to the user; Being free for use is an added bonus. Although there are complaints regarding its cumbersome interface having too many options the versatility of the program is near unmatched for its price of zero making it a welcome addition for anyone.

User Rating: 5 (2 votes)
Michael Thummerer Software Design
Publisher Website
Operating System
Windows XP
Windows Vista
Windows 7
Windows 8
Windows 10
Windows Server 2003
Windows Server 2008
Windows Server 2012
Windows Server 2016
File Size
13.3 MB



Haizen is a medical equipment technician and engineer who has also been a content writer here on MadDownload. He always thoroughly researches the topics he writes about and strives to provide accurate and helpful information to his readers. Haizen has been writing about software for some time and has helped our readers understand various programs and applications.