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Remove Duplicate Files with the Best Duplicate File Finder for Windows

Are duplicate files eating up your PC's storage? Not anymore! Get rid of the digital junk and free up disk space with DupInOut Duplicate Finder.

Organize your files efficiently with a duplicate file finder tool that you can trust.

Download 90-Day Free Trial

DupInOut Duplicate Finder is certified as a "100% Clean Download" by prominent software directories.

Search. Review. Fix — It's that Easy!

Find duplicate documents, photos, music, and videos in 3 simple steps.

Customize the scan. View advanced reports to know what's hiding.

Best Duplicate File Finder for Windows
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“DupInOut Duplicate Finder — The Savior of Every Overloaded Hard Drive”

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DupInOut Duplicate Finder — An All-In-One Solution

Let's deep dive into the key features of DupInOut Duplicate Finder.

Find 100% matching duplicate files

100% Duplicates

Find exact-matching duplicate files, even if they have different names.

Ideal for beginners looking to find duplicates with a significantly higher accuracy rate.

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Duplicate photo search feature

Similar Photos

Find visually similar (nearly matching) photos with specialized algorithms.


Ideal for photo enthusiasts looking to find duplicates even if their photos are rotated, flipped, converted, or resized with the same aspect ratio.

Duplicate Photo Finder
Duplicate music search feature

Duplicate Music

Dedupe your music library for a seamless music experience.


Ideal for music lovers looking to find duplicate files by comparing music tags such as album, artist, bit rate, duration, etc.

Duplicate Music Finder
Folder Compare feature

Compare Folders

Compare the contents of two folders to see the new and changed files.

Customize the scan with multiple parameters of your choice, and export the report for your reference.

Folder Compare
File Organizer feature

Organize Files

Store your files in a folder structure so that you won't lose them years later.

Example:

D:\Photos\2025\Jan\001.jpg,

D:\Photos\2025\Feb\001.jpg

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Fix UNLIMITED Duplicate Files for FREE

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It Was Never This Easy to Remove Duplicate Files...

Drag & Drop Interface

Get started in seconds with a simple, intuitive and straightforward interface.

Drop folders into the Search Folders List that you want to scan.

Drop folders into the Ignore Folders List that you want to exclude.

Add directories to scan list
File type settings

Easy Scan Filters

We don't limit you to a few pre-defined scan filters. You've got the freedom to customize the scan the way you like.

Use predefined file extensions lists to search and ignore specific file type groups (documents, photos, music, videos)

Create your own file extensions list, or modify the ones that are already there.

Set upper and lower file size filters (For example, ignore all files above 1 GB)

Fast, Reliable & Accurate Scan

Finished adding folders to the Search Folders List? You're good to go now! Just start the duplicate scan and take a cup of coffee!

Supports multiple scan types (identify duplicate files by comparing their content, music tags, photo pixels, etc.)

Interactive pie-chart statistics and a detailed report of all folders containing your duplicates

Option to save session and automatically sleep/ shutdown computer after completing the duplicate scan

DupInOut Duplicate Finder Scan Report
Selection tools in DupInOut Duplicate Finder

One-Click Selection Assistant

Manually reviewing duplicates can be a hefty job if you've hundreds of thousands of files. Worry not, your favorite duplicate file finder tool automates this task.

Mark duplicates with 15+ predefined patterns (Newest/ oldest created, Largest/ smallest files, Higher/ lower resolution photos, Highest/ lowest bit rate music, etc.)

Mark duplicates using custom parameters (file name, path, size, date, hash, group, etc.)

In-house text, image and music previews

Data Protection Mechanism & Excluded Files List

Your data is not just a piece of information. It’s your digital asset. We have systems in place to protect your data against accidental deletion and unexpected data loss.

Accidentally checked all the files in a group for deletion? No worries, DPM will step in and automatically uncheck and keep at least one file.

Exclude any folders that you may have mistakenly scanned for duplicates. No need to re-run the scan again.

Security feature to safely delete duplicate files
Move, rename, or remove duplicate files to another folder

Move, Rename, Create Shortcut, or Delete Duplicate Files

Still worried about deleting duplicate documents? No problem, we have got you covered! Choose one of the following options:

Permanently remove duplicate files

Move duplicates to the Recycle Bin

Move all duplicate files to another folder of your choice

Rename duplicate files (add prefix/ suffix)

Replace duplicates with Shortcuts (.lnk) to the original files

Work Smart; Not Hard!

Save your scan configurations and reload them later to save your time & efforts, and regularly free up disk space.

Save your scan configurations to a file (Search Folders List, Ignore Folders List, File Type & Size preferences)

DupInOut automatically saves your last scan preferences even if you forget to save them

Advanced duplicate files search load options

Frequently Asked Questions

Which is the Best Duplicate File Finder Software for PC?

DupInOut Duplicate Finder is the best duplicate file finder software that comes with a modern user interface, lightweight resource usage, and a higher level of accuracy. It offers a host of other add-on features such as File Organizer and Folder Compare.

Is there a Free Duplicate Finder for Windows?

DupInOut Duplicate Finder offers a 90-day fully functional FREE trial so that you can try the program for free without any restrictions and then make an informed decision. To obtain the free trial, you do NOT need to provide your email ID, credit card details, or any other personal details.

How Do I Delete a lot of Duplicate Files?

Deleting a lot of duplicate files manually can be a time-consuming and error-prone task. You can use the DupInOut Duplicate Finder to streamline this process, view advanced scan reports, and recover your lost disk space.

How Do I Delete Cloned Files?

It's easy to delete cloned files with the right tool and method.

  1. Install DupInOut Duplicate Finder.
  2. Select your scan folder(s) & desired scan method.
  3. Start the scan, review your results, and fix duplicates automatically.

© Copyright Vikas M. All Rights Reserved.

DupInOut Duplicate Finder is a duly registered copyrighted work in accordance with the provisions of the Indian copyright law and is protected by the copyright law in India and other countries. Any unauthorized use, redistribution of this software and/ or its source code without prior written permission from the owner is strictly prohibited.

Microsoft, Windows are registered trademarks of Microsoft Corporation in the U.S.A. and other countries.