How to remove duplicate files. The best programs for finding duplicate photos. Find duplicate music files

Good day!

I think that many users have tens (or even hundreds) of gigabytes of pictures, wallpapers, videos, music and other files on their disk. And I must note that in different directories (in collections of wallpapers, for example) there can be quite a lot of copies (duplicates). Often, after deleting them, it is possible to free up several gigabytes of space on the HDD!

To find duplicates, there are special programs and utilities. They are ways for relatively not big time scan your hard drive (s) and present everything the same to you. Further, as a rule, you will only have to mark with checkboxes what to delete - and voila, the place is cleared!

In this article, I will present a few of these "cleaners" that will help you free up space on your hard drive. So...

Addition!

Top 14 programs for finding duplicates (identical files)

Universal (search for any files)

Universal programs for finding duplicates are suitable for working with any files: documents, photographs, videos, etc. As a rule, their work is based on finding files of the same size and checksum. Those. these programs look for exact copies that match 100%!

Due to this, their operating speed is quite high. However, they cannot find, for example, almost identical pictures, which are saved in different formats and with excellent resolution. To do this, you must use a special. The software I recommend below ...

Computer accelerator

This utility with a self-explanatory name from Russian developers. In general, it is designed to remove junk files, fix errors in the registry, monitor the state of startup, etc., but there are special tools in its tools. a module that allows you to find duplicate files. See screenshot below.

So, after starting this function, you will be prompted to specify the folders (which will be analyzed) and click the search button. After a while, the program will present you with all the duplicates found - all that remains is to delete the "unnecessary".

For example, I analyzed my Music folder and found out that I have 311 mp3-takes of 2.65 GB. Moreover, this folder is not that big for me. The result is shown in the screenshot below.

Of course, if you have a lot of collections on the disk (pictures, music, etc.), the amount of free space can be much larger!

Note: the free version of the program works in full mode for 5 days.

CCleaner

One of the most famous PC cleaning utilities. However, not many users know that there is a duplicate search function in its arsenal (and, moreover, a very good function!).

To open this option: you need to download latest version programs in the menu "Service" select "Search for duplicates" , specify the settings and click the button "Find" .

Note that the search is fast enough, you can filter files by their size, name date. You can also manually set specific drives (folders) to search. All in all, quite convenient!

Glary Utilities (Glary Duplicate Cleaner)

Glary Utilities is a great set of utilities for all occasions. Contains all the essential tools for cleaning, maintenance and Windows optimization... I have repeatedly recommended this complex on the pages of my blog ...

It has one small utility in its firmware arsenal. Glary Duplicate Cleaner. It allows you to quickly find duplicates of various file formats: TXT, RAR, ZIP, MP3, WAV, AVI, JPG, BMP, etc. (in general, all the most popular ones are definitely there, see the screen below).

Configuring Scan Settings / Glary Duplicate Cleaner

There is also a small filter with search criteria: by name, size, time. There is an option to skip files of a certain size (for example, you can skip files that weigh less than 100 KB).

Note that the package Glary utilities free, and fully translated into Russian. In general, the score is 5 on a 5-point scale!

AllDup

This is a small free utility ways to scan all your drives very quickly and remove any duplicate files. The developers note that their search algorithm is 10-30% faster than other similar products.

Personally, I have not tested the speed, but I would note the following: the utility works in all Windows 2000, XP, 7, 8, 10 operating systems (this is a kind of advantage!).

After the search, the AllDup utility will present you the results: you can familiarize yourself with each duplicate and delete it directly from the program interface. Comfortable!

Duplicate File Finder

Free tool for cleaning disks from duplicate files. The program compares the files on the specified disk (directory) by byte. There are standard filters: file extension, file name, creation date, and size.

With the search result (an example is shown in the screenshot above), you can either get acquainted with the program itself (and make a decision), or export it to HTML files, CSV and TXT. By the way, I would note that the program has a fairly convenient viewer that allows you to view a picture, text, video.

Total commander

This famous commander (a nice replacement for explorer) also has a file search function. To open it - click on the "magnifying glass" icon in the top menu of the program (see the screen above).

Of course, there are not so many opportunities here, but nevertheless ...

To search for photos, pictures, graphics

These programs can search not only by the size (checksum) of the file, but also by the contents of the picture. For example, you have several identical desktop wallpapers in two different folders (but these pictures have different sizes and resolutions).

So, the programs given above - would not find these duplicates, tk. they "cannot" appreciate what is shown in the pictures. In this case, you must use the special. tools (about them below) ...

Image Comparer

This is a very small utility that specializes in finding similar images. I note that it compares not just the size, but what is shown in the picture (see the screen above). All popular image and photo formats are supported: RAW, JPEG, J2K, BMP, GIF, PNG, TIFF, TGA, etc.

After the search, you will be presented with a list of duplicates: by going through it, you can view all copies and delete those that you do not need. What's interesting: the program shows you the percentage of similarity of certain pictures (the difference between them is highlighted when viewed with squares).

Of the minuses: if you specify a large disk (several terabytes) - the program will take a very long time to scan. Before using it, I recommend that you go through the pictures using coarser tools. (for example, CCleaner, AllDup, etc., see above).

DupeGuru Picture Edition

A very simple utility designed to quickly search for identical pictures. Note that similar pictures will be found even if they have different formats (for example, JPG and Tiff as in the screenshot above).

Benefits of the utility:

visual comparison of pictures;
the program is completely free;
simple interface made in the style of minimalism;
Russian language support;
the ability to export search results;
support for all the most popular Windows versions XP, 7, 8, 10.

ImageDupeless

Program ImageDupeless allows you to find duplicate images, regardless of the file size, format, resolution and other characteristics (it seems to "look" for you all the pictures and find similar ones).

The program also has a very interesting function for burning images to CD discs (creating a kind of CD galleries).

Note: to save time, compare newly received pictures with the existing gallery. (this way you will save a lot of time, since a full scan of all images on the disk takes much longer than already searching in the created gallery).

Comparison result: please note that the resolution and size of the pictures are different!

Visual Similarity Duplicate Image Finder

The program uses advanced algorithms to compare graphic images in pictures and photographs. Thanks to this, it is possible to find similar and identical pictures, even if they have a different format (GIF, PNG, JPG, etc.) and resolution.

Note that the user has an option for specifying a similarity attribute (i.e., you can ask, say, to find only those pictures that are 95% similar to each other).

After searching: you can view all found duplicates and manually delete all unnecessary ones. By the way, the program places 2 identical images next to each other (see example above) so that you can clearly see the difference. Very convenient!

To search for audio and video files

Audio Comparer (Electronic Ear)

Audio Comparer - the program will listen to almost 300 tracks in 10 minutes.

Audio Comparer is not as simple an application for finding duplicates among music files (MP3, MP2, MP1, WMA, AIF, WAV, WavPack, FLAC, APE, AAC and OGG) as it might seem at first glance ... It is " listens to "music and compares the tracks with each other according to a special algorithm: the comparison is made by the audio track, and not by the size or file name (as is done in many other analogs)."

Due to this, the same tracks can be found even if they are saved in different formats... Audio Comparer is a kind of electronic ear that can listen to all your music very quickly.

Note that there are quite a few such programs, so each deserves special attention! I recommend to meet you!

DupeGuru Music Edition

A very interesting program dupeGuru Music Edition for finding the same and similar music tracks. There are filters for searching: by bit rate, information in tags, duration, size, etc.

All the most popular formats are supported: MP3, WMA, AAC, WMA, OGG, FLAC. After the search, found duplicates can be either deleted or moved to other directories.

I would also note the presence of the Russian language and support for modern OS Windows 7, 8, 10 (including 64 bits).

Music Duplicate Remover

Music Duplicate Remover - utility allows you to quickly and easily find copies of audio files located in different folders (disks) and saved in different formats. Thanks to the technology of "electronic ear", it is able to listen to all your compositions on the disk, analyze them and provide you with a report with all similar tracks (an example of such a report is shown in the screenshot above).

Note that the utility works fine with standard presets (i.e. after downloading and launching it, there is no need to delve into the settings for a long time, you can immediately start scanning).

Note! Music Duplicate Remover supports the following audio formats: MP3, WMA, OGG, FLAC, APE, WAV.

Duplicate Video Search

Quite a powerful program for deleting identical videos saved in different folders (suitable for those who have a lot of all kinds of videos, music videos, top-100 collections, etc.). It will help you "go through" your collection of files and remove all duplicates.

Note that the program uses a unique "impression" technology (ie, a kind of "electronic eye"), which allows you to find similar videos, even if they are saved in a different format, they have a different resolution and they are compressed with a different codec.

Peculiarities:

the following video formats are supported: AVI, MKV, 3GP, MPG, SWF, MP4, WMV, WTV and FLV (see the screenshot above);
Search full copies video and similar (where excellent resolution, bitrate, format, codec);
the program automatically selects the video with the worst quality among all takes (however, you can manually specify which copy to delete);
convenient and visual presentation of search results: thumbnails for each video and the path to the directory where it is stored;
right from the program window, you can either view the video or delete it.

Video Comparer

Video Comparer is a program designed to search and compare videos on your hard drive. In a relatively short period of time, it can view all your videos and show you in a convenient table all the files that repeat each other (full takes, similar videos, videos with the same content, but different quality, etc.).

Note that the program has various filters that will allow, for example, to search for videos only specific format(or set the duration of the video).

Peculiarities:

supports formats: 3GP, AVI, ASF, ASX, WMV, VOB, XVID, MP4, MPEG;
the ability to search among hidden files;
the ability to automatically highlight related videos for deletion;
video filters by duration, quality and extension;
convenient presentation of search results: a preview for each video; the size; the folder where it is located; title; percentage of similarity.
possibility Reserve copy in a separate folder;
keeping logs;
support for almost all popular Windows XP, 7, 8, 10 (32/64 bits).

Add-ons are, as always, welcome.

Happy work!

Everyone on the computer has a folder in which he stores various photos or images, and it often happens that duplicates of such files appear on the hard disk. The question immediately arises, how to quickly get rid of them. The article will list a number of programs that are able to perform such actions quickly and efficiently.

It is a simple and easy-to-use program that is capable of performing searches in several ways and creating galleries from selected images. Among other tools, it is distinguished by the presence of an assistant window, thanks to which the use of Duplicate Photo Finder becomes even easier. Among the disadvantages are paid distribution and the absence of the Russian language.

Duplicate Photo Cleaner

Duplicate Photo Cleaner is also an easy-to-use program that can also read a large list of formats graphic objects... It has several ways to find duplicates, and the presence of a Russian-language interface sets it apart from most of the solutions described here. At the same time, Duplicate Photo Cleaner is paid, and the trial version has very limited capabilities.

Duplicate File Remover

Another powerful tool for finding duplicate photos is Duplicate File Remover. In addition to searching for images, it is also able to scan your computer for other identical files. The possibilities of the Duplicate File Remover significantly expand the plugins that are installed with it, but they can only be activated after purchase. license key... Another drawback is the lack of the Russian language in the settings, but this does not prevent you from using Duplicate File Remover for its intended purpose, since all actions here are performed at an intuitive level.

Duplicate File Detector

It is a powerful multitasking program that can instantly find duplicate documents in a specified directory. Duplicate File Detector supports a large number of formats that will be checked at runtime. This is the only tool among the ones we've reviewed that provides the ability to hash any file, for which there is a built-in hash calculator. Thanks to the latter, you can get the result in 16 variants of hash codes. Using Duplicate File Detector, you can rename the selected group of files according to one of the proposed templates. The program has been translated into Russian, but at the same time it is paid.

ImageDupeless

ImageDupeless is a powerful tool for finding duplicate images on your computer. In terms of its functionality, it is very similar to the previously described Duplicate Photo Finder. There is the same assistant, the same search capabilities for identical graphic files and the function of creating a gallery from images. But ImageDupless has a Russian-language interface, which makes it stand out from the background of the mentioned program. The main disadvantage can be considered paid distribution and the fact that a lot of opportunities are available exclusively after purchase.

DupKiller

DupKiller is one of better ways to find not only duplicate images, but also files in general. It provides the ability to search almost anywhere on the computer, has a very wide range of settings, supports plugins. In addition, it is distributed completely free of charge and translated into Russian, which makes it possible to use it without any restrictions.

AllDup

AllDup is small free program, which is designed to search for identical (including graphic) objects on the hard drive. It supports a large list of formats, which guarantees a high-quality search for duplicates. AllDup will also be an excellent option for computers that are used by several people at the same time. On the background of the rest, it is distinguished by the ability to create several profiles with certain settings. This feature will greatly save users time, which would have been wasted on reconfiguring the program. You can also add the presence of the Russian language and free distribution by the developer to the list of positive qualities of AllDup.

DupeGuru Picture Edition

Using DupeGuru Picture Edition, the user will receive a free, simple and uncomplicated search engine for duplicate photos on a computer with a Russian-language interface. Among additional opportunities it is worth highlighting that here you can export the results obtained to a browser or to CSV format, which is read by MS Excel.

Dup Detector

Dup Detector is probably the simplest utility on the list provided. It does not have the Russian language and any additional features, except for creating galleries from images, but at the same time it provides a choice of several options for finding duplicate photos. In addition, the Oak Detector is distributed by the developer for free and supports a large list of graphic formats.

This article examined programs with which you can quickly and effortlessly detect duplicate photos on your hard drive and permanently delete them. Let everyone decide for themselves which tool to use, but it is worth knowing that any of them will 100% cope with the task at hand.

After a long, constant use of a computer, on its disks, whatever one may say, large amounts of data accumulate, that is, all sorts of photographs, videos, films, music, documents, and so on. When the data takes up a lot of space, this is normal, for example, I have the most necessary data for more than 600 GB, and someone else has more. But very often duplicate files take up too much space.

Such files may appear when, for example, you move them from somewhere to a new location on the disk, forgetting that you already have such files on this disk. And it's okay if there are a lot of duplicates of any documents, but when there are a lot of duplicate photos, music and especially videos, then this, as a rule, will take away decent disk space from you. Recently I checked and found that duplicates eat up about 100 GB from me. on the hard disk, which, in my opinion, is quite a lot :)

In this article, I will show you an easy way to find all the duplicate files in Windows on your disks so that you can easily check them and quickly delete all unnecessary ones.

In Windows, unfortunately, there are no normal built-in tools for finding duplicate files. There is an option to do it through command line PowerShell, but this is very inconvenient, especially for beginners it will be difficult. Therefore, it is easier to use third party programs... One of these is called AllDup. It is completely free, available in Russian, supported by all operating systems. Windows systems and finally quite easy to use.

Downloading and installing the AllDup program

The program can be downloaded for free from the official AllDup website. Below is the link to the download section:

The program is available in two versions: regular installation and portable (Portable). Portable differs in that it does not require installation on a computer, that is, the program can be run directly from the downloaded folder.

To download, press the button "Server # 1", or "Server # 2" or "Server # 3" (if the first button does not download, you are given spare servers) under the required version of the program.

Direct download links for the latest version to date (March 2017) AllDup: standard version, portable version. For the latest versions, always refer to the official AllDup website!

Installation of the program is very simple, one might say, it consists of successive clicks "Next", no special settings do not need to be produced. Therefore, I will not consider this process.

Read more about the nuances of installing programs for Windows.

Finding duplicates with AllDup

After installing the program, run it. The main window for search settings will open:

Search setup includes several stages:

These are all the main stages of setting up a search, the rest can be left out.

Now, to start searching for duplicates, click the "Search" button at the top of the AllDup window:

The search process will begin.

How more files in the folders you specified is located on your disks, the longer the search will take.

After the search is completed, the program will display the found files with duplicates in the form of a table.

The first thing to do right away is to save the search results, because if you close this window with the results now, then the search will have to be repeated. To save, click the button with the image of a floppy disk, or select "Search result" in the top menu and click "Save search result".

Now, even if you turn off your computer and then run the program again, you can get to the search results again.

You can sort the search results by different parameters by clicking on the headings by a column in the table. The most useful criterion for sorting, in my opinion, is the size of the files. Therefore, if you want the largest found files to be displayed at the top of the table, then click on the "Size (Byte)" column.

The next best thing to adjust for easy viewing of the results is the displayed size. Initially, the program shows the file size in bytes, which is not very convenient. It is better to set the display in megabytes or even gigabytes. To do this, click the button marked in the screenshot below (1), then check one of the options (2):

Now I will dwell on how, in fact, use the search results, how to view and remove unnecessary duplicates ...

The program divides the found duplicates into so-called groups. One group is all found copies of the same file, including the original (it will also be displayed in this group).

To see duplicates of one of the groups, you need to open it by clicking on the arrow. Example:

After expanding a certain group, you can check what kind of file it is by opening it. To do this, simply double-click on the file in the group, or right-click and select "Open file". The file will be opened through the standard Windows program, through which you usually open all files of the selected type.

To remove duplicates, mark them with a tick, right-click and select one of the options: delete the file in the Windows recycle bin or permanently delete it.

Accordingly, do not delete all files from the group, because this way you will delete both duplicates and the original at once! For example, if there are 3 files in a group, then deleting 3 at once will delete both the original and 2 duplicates. In this case, to keep only a single copy of the file, you need to remove 2 files from the group.

Thus, you can check each group separately and remove duplicates. But if you find a lot of information, you can make it easier. Make the program automatically select all files in each group, except for one (that is, only duplicates), after which you can get rid of all duplicates at once or run through and double-check whether everything marked is exactly to be deleted.

To automatically mark duplicates, go to the "Select" menu (1) and check one of the options (2) there, for example, "Select all files except the first file".

As a result, the program will select 2 duplicates in each group, and leave the first file in the list unselected. That is, in this way, you will mark 2 duplicates, and the original will remain unchecked. Or you can try other options that are convenient for you through the "Choice" menu.

After the program has marked the files, you can recheck the selection if required. And to quickly delete everything unnecessary or perform some other action, click the button marked in the screenshot below:

In the window that opens, you will see the total size of the selected files, i.e. how much space the found duplicates take and the number of selected files. At the bottom, you need to select an action on the selected files. You can delete files through the trash can, delete irrevocably (item "Deleting files"), copy or move files to any folder, as well as rename the found duplicates. If you are sure that the marked files are duplicates and you no longer need them, then it is easier to delete them, but in any case, the choice is yours.

So choose required action(1) and click OK (2). You don't have to configure anything else here.

After that, the program will perform your chosen action on the previously marked files!

That's the whole process :) To exit the search results just close this window. If you have saved the search results, then if you need this result again, you can get to it through the "Search result" section (1) in the main program window. The results you saved will be displayed in the table (2). To open the desired result, just double-click on it.

Conclusion

AllDup - very convenient program to find duplicates of your files on your computer. In fact, there is nothing superfluous in the program, it has all the necessary tools, filters and parameters for quickly processing a large volume of found duplicates. Of course, there are similar programs that probably do their job well, too. I have tried only AllDup so far and I don't see any point in changing it yet.

In this article, we will talk about the tools for detecting duplicate photos. In particular, today six programs for finding duplicate photos on a computer under Windows control... We will compare and select the best and fastest among them.

Search for duplicate photos: programs and their comparison

There may be several reasons for the demand for programs to search for identical photos on a computer, for example:

Your collection may have grown so much that duplicates are already taking up a lot of space;
You need a tool that will find the same or similar photos, eliminating the need to view those images yourself.

In our selection, there was a place for six interesting programs, four of which are distributed free of charge. Below in the text we:

We will tell you about each of these search programs and help you navigate faster in their interface;
Let's make a comparison of all programs, in which we'll see how they cope with the search for identical images when they are slightly modified;
Let's check how well the programs can cope with a large set of photos weighing several gigabytes.

Find duplicate photos with Image Comparer

The first program in our review that looks for duplicate photos is called Image Comparer. Her strengths: good functionality and interface translated into Russian, including detailed help information.

Now about the disadvantages. The first is that the program is not free. However, the cost of the license is humane 350 rubles (although for some reason the number 500 is indicated on the site). In addition, for the first 30 days, you can use Image Comparer for free.

The second negative point is a little confusion, which can confuse an inexperienced user. For example, in order to conduct a search within one folder (which may contain others), you need to click on the "create gallery" button and select desired directory in which the scan will be carried out.

Next, you will be immediately prompted to give a name and save the file of the created gallery to any convenient place (this file will be needed by the program itself). As soon as this is done, a list of all images in the specified folder and its subfolders will open in front of you in the form of a list or thumbnails:

The buttons marked with arrows start the search for duplicates. The first button is a search within one gallery (the folder of your choice), the second button is slightly to the right - within several galleries. We went according to the first option.

Next, the program suggested creating another service file in which the results will be saved for further convenient access to them. Actually, creating a file for the gallery and this file with search results can just confuse an inexperienced user a little. However, then everything is already simple. Found duplicates will appear in front of you:

They can be viewed in the form of thumbnails, or by clicking on the "image pairs" tab, go to the view where the photos will already be compared with each other:

The slider in the center allows you to adjust the image similarity threshold. Set 100% and you will be left with only a list of perfectly similar identical pictures. Lower values will only display similar photos.

In the settings, you can see a huge list of formats from basic JPG and PNG to more exotic ones that the program works with. Formats can be added and excluded from the search. You can also configure the account of reflected and inverted images.

Image Comparer program. Official site ;
Russian language;

Finding the same photos in three clicks with VisiPics

The next program is VisiPics. Unlike Image Comparer discussed above, VisiPics is free application, also specializing in duplicate photos. Alas, there is no localization in Russian here, but you definitely shouldn't be upset about this: everything is very simple and extremely clear.

Using the side navigation bar (we have framed it) select the desired directory. Then click the arrow with the "+" sign to add this folder to the list that will be searched. If you want, you can select a few more folders in the same way. Finally, in the third step, click the Play button to start the process of finding duplicates.

To the right of it there is a special slider where you can adjust the level of "attentiveness" of the program. In the case of the default baseline, VisiPics found only two groups of duplicates for us, one of which consisted of three images, and the other of two:

These are the images that the program considers to be almost identical duplicates. However, if you lower the slider to the Loose level, there will be images that are just similar to each other. In our case, when installing Loose instead of Basic, the application found four more (in the final test below - 5) groups of duplicates, and supplemented one of the two already found with another picture:

The program has relatively few additional options. Here you can configure the search in subfolders (by default it is enabled), display hidden folders, accounting for photographs rotated 90 degrees. On the loader tab, you can ask VisiPics to ignore small files or, conversely, pictures in too high resolution. The latter is important for speed.

VisiPics program. Official site ;
English language;
Distribution: free.

Duplicate Finder Awesome Duplicate Photo Finder

If you are looking for the ultimate simple program for a high-quality search for duplicate photos and images, which would be elementary easy to figure out, then pay attention to Awesome Duplicate Photo Finder. The interface is in English, but it is so simple that everyone can figure it out.

Use the "+" button to specify the directory or several directories you need to search, and then click Start Search and the search will begin on them. The Scan Subdirectories option is enabled by default and is responsible for searching in subfolders. The program copes with its tasks, finding both very similar:

And slightly more different pictures:

In the settings of the program, you can set the correspondence to 100% if you need only absolutely identical photos.

The settings themselves, as you can see, are few. Perhaps the saddest thing is that the program works with only five main formats: BMP, JPG, PNG, GIF and TIFF. Moreover, the latter is not taken into account by default.

There are also options to ensure that duplicates are removed directly to the trash can and to disable the confirmation popup. The program can also update itself automatically.

English language;
Distribution: free.

The Similar Images Finder app greets us with an unkind message in English that we need to pay $ 34 for it. Nevertheless, the program is ready to work for free for 30 days. Next, a window appears prompting you to select directories to search for duplicates:

From it, we also learn that Similar Images Finder supports 29 image formats, and the user can select specific formats for search or exclude unnecessary ones. The list includes, among other things, ico and wbmp.

When you click Next, you will start searching for duplicates, and when it is finished, click Next again to see additional settings... By adjusting them, you can more carefully customize what appears in the list of results. Finally, by clicking Next a third time, you will see the result itself:

You can go to the next found picture by pressing the miniature arrow in the upper right corner. The entire list of found duplicates is opened by clicking on the large button at the top with the addresses of the current files.

In turn, clicking the Next button at the bottom will lead to the final stage of work. There the program will display a list of what, in its opinion, are definitely duplicates and will offer to delete them. In the screenshot above, the Similar Images Finder has coped with the image, where the watermark has been added, and the contrast of the histogram has also been changed.

Distinguishing between the pictures, the program counted at the level of 5.5%. At the same time, in another example, where we added a strong blur effect to the second picture, the differences, according to the application version, for some reason amounted to only 1.2%:

Alas, the program, finding real duplicates, by default also shows many images that are completely different from each other, as if they have something in common:

Similar Images Finder. Official site ;
English language;
Distribution: Paid, 30 days free trial.

Versatile duplicate search with Duplicate Remover Free

Duplicate Remover Free is the only program in our review that focuses not specifically on duplicate photos, but on finding duplicates in general.

As practice shows, such universal solutions do not show themselves very well in tasks related to some narrower area.

However, we are giving one such program a chance today. As the word Free suggests, it is distributed free of charge. The second advantage of the application is the Russian language, and the third is its relative modernity against the background of other programs in this collection, many of which, unfortunately, have not been updated for many years.

You should click on the "add directory" button and select desired folders... By default, the program in the specified directory did not find anything for us at all, however, when at the top instead of "exact duplicates" we selected the item "similar images", four groups of duplicates were immediately found, one of which consisted of three files at once:

The application has very few additional features. In particular, you can exclude files before and after a certain size from the search.

Duplicate Remover Free program. Official site ;
Russian language;
Distribution: free.

Search for matching photos using various algorithms with AntiDupl

The final participant in our review - the AntiDupl program may appeal to you at once for several reasons. First, it's free. Secondly, it has a Russian interface. The latter, however, is not obvious. In order to enable Russian, open the View menu and select the appropriate item in the Language section:

Unlike others, this program is not installed, but is located in a self-extracting archive, which extracts it along with the necessary files into a separate folder.

To prepare a search for duplicates, click on the button with the Open signature and add the necessary directories in the window that appears:

Next, you can click OK, and then activate the green button "start search" on the toolbar. Using the basic algorithm, the program found several groups of duplicates for us:

Switching the algorithm to a more free SSIM at the top, we have already got two more groups of duplicates, and after increasing the "freedom" of search from 20 to 35%, the program gave us an even more detailed list:

At the same time, in all cases, at least noticeably similar images were actually found. So don't hesitate to experiment with the settings.

The program has a lot of additional options:

On the "search" tab, you can find out that AntiDupl supports 13 formats, among which, in addition to the traditional JPG / PNG, there are ICON, PSD and EXIF. Of course, the formats can be chosen. Also in the options there is a check for defects, blockiness and blurring, and in the latter two cases, you can set a threshold. It is possible to search in hidden and system directories.

AntiDupl program. ;
Russian language;
Distribution: free.

When searching for duplicates, some users are interested in exactly 100% match in order to get rid of duplicates in their collection. However, the task often arises to find simply similar pictures.

And here is a huge space for possible differences. This can be different formats, resolutions, cropped versions of the same image, adding frames and watermarks, changed colors and captions on pictures.

We tried to take into account most of these factors and after all the trials, we ended up with a small set with more than six dozen pictures. In them we have created nine groups of duplicates. Let's be honest, our experience definitely does not pretend to be the ultimate truth, but it was interesting to try. The results are as follows:

Duplicate Remover Free: found only 3 groups of duplicates;
Similar Images Finder: found 4 groups, but an inconvenient interface, a lot of false results and, at the same time, the paid application greatly spoiled the overall impression;
AntiDupl found 3 types of duplicates by default, installing the SSIM algorithm increased the search result to 5 groups;
VisiPics at basic level search found only 2 groups of duplicates, however, setting the slider to the Loose level allowed us to find already 7 groups;
Awesome Duplicate Photo Finder found 7 groups of duplicates;
Image Comparer also managed to detect 7 groups.

In doing so, Image Comparer managed to find images that Awesome Duplicate Photo Finder and VisiPics missed, and those, in turn, filled in the gaps in Image Comparer.

The fastest duplicate photo finder

At the same time, the quality of the program also depends on its speed. 60+ pictures are, of course, not something that users can work with. Therefore, we ran another test. This time for speed. To do this, we took a selection of 4,450 different images, the total weight of which exceeded 2.1 GB.

Unfortunately, two programs from this review did not take any place in the test. As it turned out, Similar Images Finder, for which they ask for $ 34, in free version ready to process no more than 200 images at a time.

In turn, the universal search engine for duplicates Duplicate Remover Free, faced with a catalog of a serious size, worked intensively for more than five minutes, and then completely froze. The rest of the programs showed the following times:

AntiDupl: 0:39;
Image Comparer: 1:02 (35 seconds to create a gallery and 27 seconds to search);
VisiPics: 2:37;
Awesome Duplicate Photo Finder: 3:17.

As a result, Image Comparer and AntiDupl clearly took the lead in the speed test. It took them about or, in the case of AntiDupl, less than a minute to process our archive.

Conclusion

Let's summarize. If you need to find not the same, but rather similar photos, differing, for example, by a signature or a watermark, then Image Comparer, Awesome Duplicate Photo Finder and VisiPics in the Loose mode will cope with this task better than others.

In terms of processing speed of a large collection of images, the undisputed leaders are AntiDupl and Image Comparer.

Finally, in terms of interface convenience, we liked Image Comparer and VisiPics, which allow us to visually evaluate all groups of duplicates on the fly. In turn, for the clarity of comparison of the characteristics of individual duplicates, we also note AntiDupl.

Duplicate File Finder is a duplicate finder. It finds and removes identical files, so you free up space on your hard drive. Also works with removable media.

Finding and removing duplicates is done using a convenient wizard. You need to select disks or individual directories and specify the type of files - you can select all types or individual ones (for example, images or videos). Next, specify the search criteria - skipping files larger or smaller than the specified size, enabling or disabling search by name, date and attributes. You can also enter the text that is contained in the title (this will help narrow down your searches).

Once you have set all the options, Duplicate File Finder will start searching for duplicates. Once completed, the results will appear in the table. Identical files are displayed side by side, so you can compare them by directory, size, and date last change... Highlight unnecessary files and click Remove. Files are deleted to the Trash, their own archive (from which they can be restored) or irrevocably (depending on your settings).

Features of the program

Search and delete duplicate files.
Search for duplicates by various criteria - directory, file name, size, creation date, etc.
Displays the total size of files that can be deleted.
Several types of deletion
The interface is in Russian.
Supports Windows XP and above.

Duplicate File Finder is completely free to download.

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