[OFFICIAL] Cisdem Duplicate Finder | Best Duplicate File Finder and Remover

Most Accurate, Powerful Duplicate File Finder

Use Cisdem Duplicate Finder to easily find duplicate files and similar photos by file or visual content. Side-by-side previews, various selection rules, and multiple removal methods help you quickly and reliably bulk remove unwanted duplicate files and similar photos, reclaiming GBs of space in seconds!

The Power of This Duplicate File Finder

Find Duplicate Files with Confidence

Cisdem Duplicate Finder detects duplicate files accurately and quickly based on file content, regardless of file names, helping you find both duplicates with the same or different names. It identifies duplicates in images, documents, songs, videos, archives, and other file types, including their various formats, such as JPEG, PNG, HEIC, CR2, NEF, MP4, MOV, MKV, MP3, M4A, OGG, DOCX, XLSX, PDF, ZIP, and RAR. It also finds duplicate folders.

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Find Duplicate Photos to Keep the Best Shot

Cisdem Duplicate Finder also finds duplicate photos accurately and quickly, regardless of file names, whether they are caused by repeated imports, transfers, backups, or downloads, or other reasons. It detects similar photos intelligently, such as burst shots, edited versions, resized or compressed versions, the same photo in different formats, and photos taken from different angles or distances, or with different lighting or expressions, with AI processing that runs entirely on your device without uploading your files to any cloud or server.

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The New Way to Find Duplicate Files

Use XXH3 hashing along with pre-filtering by file size to identify duplicate files based on file content accurately and quickly
Use on-device DINOv2 Small model along with Faiss HNSW to efficiently find similar photos based on visual content, such as burst shots, edited versions, and photos of the same scene from different angles
Use on-device NIMA Technical, NIMA Aesthetic, and MediaPipe Face Landmarker models to score photos, helping users quickly keep the best shots
Use GPU acceleration and caching to speed up AI processing, making both initial scans and rescans more efficient

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Find Duplicate Files Anywhere

Support Windows and Mac computers
Support external hard drives, SD cards, and other external storage devices
Support iTunes and Apple's Music app, and Mac's Photos app
Support OneDrive, Dropbox, Google Drive, iCloud, and more cloud drives
Can scan for duplicate files across locations, like between a computer and an external hard drive
Exclude specific folders from the scan as needed

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View and Organize Duplicates

Offer an overview of all detected duplicates, showing the number and space occupied by each file type
List duplicate files by file type, such as Image and Music, for easy navigation
Provide three view modes, letting you conveniently preview duplicates side by side and see file info
Sort, search, and filter duplicate files to easily organize them as needed

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Select Duplicates for Mass Removal

Automatically and intelligently select duplicate(s) for deletion in each group of duplicates, while keeping the original safe and untouched
Allow you to select or deselect files manually as you like
Offer various rules for you to mass select files to eliminate based on your specific needs, providing flexibility and efficiency

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Safely Remove Duplicates Using 3 Methods

Choose Move to Recycle Bin (Windows) or Trash (Mac), making it easy for you to recover deleted duplicate files when needed
Choose Remove Permanently, immediately freeing up storage space wasted by duplicates and making room for new files
Choose Move to Folder, relocating duplicates to a folder of your choice for better management
Save an unfinished removal for later processing if needed, to provide a smooth experience

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2,000,000+ Happy Users Around the World

With over 2 million satisfied users worldwide, Cisdem Duplicate Finder is the top choice for effortlessly cleaning up clutter and optimizing your storage. Hear what they have to say!

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Read More User Reviews (4.9/5)

@alischan

This awesome tool will help you hunt down and destroy those annoying duplicate files across all your devices. It can check for duplicate documents, images, music, videos, archives, or other files. You’ll definitely benefit from this software.

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@WilliApple

Cisdem Duplicate Finder finds duplicates in a specific folder or system wide on your computer and can also scan your Photos Library. This is the easiest way to find duplicates on your Mac and potentially save gigabytes of storage.

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@EmmyLouAlano

Cisdem Duplicate Finder efficiently finds and removes duplicate files like documents, photos, music, videos, and folders on your system or from external drives. It features a user-friendly interface and helpful functionalities.

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Christina, US

The customer service is great! I wanted to upgrade from an annual to lifetime license and they helped with that and some other questions super fast. I have been loving the duplicate finder program, if has saved me so much time and energy cleaning up my files which were out of control!

Ken Ando, JP

Love it... it is easy to use and very effective. Finds the duplicates and gets rid of them safely while giving you 100% control over the files that you want to delete. Highly recommended.

CLM, AU

I purchased Cisdem Duplicate Finder last year and needed to transfer the software license to a new PC. Cisdem Support was second to none with a response and resolution within minutes.

Frequently Asked Questions

In both the trial and registered versions, you can scan, preview, locate, and hide duplicates. However, in the trial version, you cannot delete all selected duplicates with one click.

After installing and launching Cisdem Duplicate Finder, simply bulk select multiple folders or libraries you want to scan and drag and drop them into the app. Then click the Scan button to start the process.

To speed up the scan, go to the settings of Cisdem Duplicate Finder > Similar Images, and deselect the option for Enable Similar Images Function. This way, Cisdem will only detect duplicate files, significantly increasing scan speed.

Yes, when you close the app, a window will pop up asking if you want to save the scan results. If you choose to save them, you can easily import the results and delete the duplicate files the next time you launch the app.

You'll need to empty the Recycle Bin (Windows) or Trash (Mac) to release the space.

User Guide

Explore detailed instructions and helpful tips.

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What's New?

Learn about the latest updates and features.

View Version History

Delete Duplicate Files in 3 Easy Steps

Step 1: Scan

Add one or multiple locations, like folders or Photos app libraries. Click Scan to search for duplicate files.

Step 2: View

When the scan is complete, the results window will display duplicate files for you to sort, search, and preview.

Step 3: Delete

Stick to the automatic duplicate selections and click Delete to easily remove all duplicates at once. Alternatively, adjust selections manually or use selection rules before deletion.