12 Best Duplicate File Finder 2021 - Delete Duplicates Files

When we store large amounts of files on our system, it may happen that ( consciously or unconsciously ) we Duplicate File Finder this data several times, storing repeated information.

An example of this can be when copying batches of photographs from our camera or mobile, when downloading files from the Internet or simply not having time to start classifying files.

To solve this, there are programs to eliminate duplicate files , which will search ( following a series of parameters ) for repeated files on our disk, giving us the opportunity to eliminate this redundant information, achieving more order and freeing up space on our disks.

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List of 12 free Duplicate File Finder programs

  1. DoubleKiller

Remove files or duplicate files: DoubleKiller

Behind this rustic graphical interface is one of my favorite programs to eliminate duplicate files. DoubleKiller is a powerful and very fast tool that will allow you to quickly search for duplicate files on your disks ( or specific folders ).

The program allows searches by names, sizes, dates, and/or identical CRC32 checksum ( by default the combination of size and CRC32 is very effective ). It allows limiting by means of masks, to exclude certain types of files ( or with certain characteristics ).

  1. Dup Scout

Delete files or duplicate files: Dup Scout

With a successful and very pleasant graphical interface, Dup Scout is presented, an intuitive program for eliminating duplicate files with a multitude of search options for redundant information.

The application allows the creation of small graphs with duplicate space that we could free, compress information, erase duplicates or generate reports.

  1. Auslogics Duplicate File Finder

Delete duplicate files or archives: Auslogics Duplicate File Finder

Continuing with the quality to which Auslogics has accustomed us, they continue with Auslogics Duplicate File Finder, a program to search for duplicate files, ideal for people with little advanced knowledge, who require a powerful application, but at the same time with easy-to-use features.

Perhaps, for advanced users, it may fall a bit short, but it does its job quite well.

  1. AllDup

Delete files or duplicate files: AllDup

AllDup offers an installable and a portable version ( which does not require installation ) of this curious program for erasing duplicate information.

The interface can be overwhelming at first, due to the excess of graphic icons, but once we know its handling, it is excellent for the speed with which we can handle it. It also has good support for automatically marking the files in the created list, according to certain patterns.

  1. Smart Duplicate Finder

Delete files or duplicate files: Smart Duplicate Finder

Smart Duplicate Finder is the simplest program to erase duplicate files. In a small and simple window, we only have to write the path where we want to perform the search ( several can be added ) and the program will do the rest.
Ideal for those looking for something simple and fast.

  1. DeadRinger

Delete files or duplicate files: DeadRinger (Duplicate images finder fork)

DeadRinger is a fork of Duplicate image finder and contains interesting duplicate information search enhancements.
In principle, it allows you to search with several different algorithms, which will use a threshold of similarities to find duplicate files. In addition, it allows the preview of the image files found, allowing you to easily check if it is really a duplicate file or not.

  1. dupeGuru

Remove files or duplicate files: dupeGuru

dupeGuru is a duplicate file finder program that stands out for the number of advanced options it has. It allows you to make a multitude of selection options among the duplicate files found, as well as allowing you to carry out a specific command ( customized by the user ) with each of the duplicate files that have been found.

It has a version for Windows, Mac, and Linux ( the latter, for 32 and 64-bit systems ).

  1. DupKiller

Delete files or duplicate files: DupKiller

Perhaps one of the most difficult programs to use on the list, due to its strange ( and old ) interface. However, it offers good performance and several customizable options, which will make it easy to find and remove duplicate files.

  1. Duplicate Cleaner

Delete duplicate files or archives: Duplicate Cleaner

With Duplicate Cleaner you can perform a search for duplicate files on your system, allowing you to eliminate zero-size files, specific text searches, preview files, metadata tags in image or audio files, etc …

  1. Duplicate Finder Free

Delete files or duplicate files: Duplicate Finder Free

A simple program with which you can delete files very easily, making use of the multiple preview panel, which allows you to see several images marked as duplicates at a glance.

In addition, Ashisoft also has several specialized applications in the search for images or duplicate photos, duplicate audio files or songs from iTunes duplicate.

  1. Easy Duplicate Finder

Delete files or duplicate files: Easy Duplicate Finder

Simple program to search for duplicate files that allow you to access multiple information at a single glance. The interface may seem a bit complex at first glance, but once we find all the options we need, it becomes very comfortable if we want to have information about the files found.

  1. FileDup

Delete files or duplicate files: FileDup

FileDup is ideal for those who want to find duplicate files and not bother with programs with many options. The only downside is that the application is in German ( without the possibility of even translating into English ), but on the other hand, the application is not too difficult to use and its aforementioned simplicity is one of its great virtues.

Do not lose sight of the nice icon of the program, which I have placed at the bottom right.

Extra: VisiPics

VisiPics: Remove Duplicate Images

Lastly, comment on the extraordinary VisiPics software, which allows you to search for duplicate images by similarity. Unlike most of the previous programs, VisiPics is not based on examining if it is the same file ( size, name or content ), but on looking for visual similarities, allowing to find versions at different resolutions of the same image or even very images.

Obviously, the search speed is much slower, but it is essential software to remove duplicate images from our disk.
Do you know or do you usually use another free program to find files or duplicate files that are not on the list? Let us know in the comments!

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