Remove Duplicate Files & Keep Your Data Organized

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

Organize your files efficiently with a duplicate file finder tailored for your unique needs.

Download 90-Day Free Trial

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

Best Duplicate File Finder for Windows in Action

Duplicate documents, photos, music, and videos? Find. Review. Fix.

That's it; it's that easy with DupInOut Duplicate Finder!

An All-In-One Solution

Find 100% Duplicates

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

Ideal for beginners who want the highest accuracy rate.

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Similar Photos Finder

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

Ideal for finding photos that have been rotated, flipped, converted, or resized while keeping the same aspect ratio.

Duplicate Photo Finder

Duplicate Music Finder

Dedupe your music library for a seamless music experience.

Ideal for music lovers who want to compare files by music tags such as album, artist, bit rate, duration, etc.

Duplicate Music Finder

Folder Comparer

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

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

Example:

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

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

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Fix UNLIMITED Duplicate Files for FREE

Get Your 90-Days Free Trial Now!

We don't ask for your email ID, credit card, or personal information.

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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.

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

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.

Move, Rename, or Remove Duplicate Files with Confidence

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

Permanently remove duplicate files or move them 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!

Do you need to do the same duplicate scan again later? Simply save & re-load your configurations.

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

Duplicate Photo Finder

Purchase

Blog

Duplicate Music Finder

OneDrive Duplicate Finder

User Manual

Uninstall

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.