Open Source v4.3.1 ✓ Checksum Published

Download dupeGuru for Windows PC v4.3.1 for Windows PC

Name: dupeGuru for Windows PC
Availability: InStock
Author: Hardcoded Software

dupeGuru is the free duplicate hunter that finds copies even when the names differ — fuzzy content matching, protected reference folders, and safe deletion...

⬇ Direct Download (30.9 MB)

Technical Specifications & System Requirements

Developer Hardcoded Software

Platform & OS Windows 10 / 11 (64-bit)

Package Size 30.9 MB

Architecture x64 (64-bit)

Package Format EXE Installer

Security Verification SHA-256 checksum published

SHA-256 Cryptographic Checksum Computed from the file we serve

              28293dada3c88336b2b53aca00adf59f85cabf1362f8386a8ffc6be5e1742836
            

              $ Get-FileHash .\dupeguru-duplicate-finder-pc.exe -Algorithm SHA256
            

Software notes

The Bottom Line: Every long-lived PC hides gigabytes of the same photo, installer, and song saved three times under three names — and filename-based finders miss most of it. dupeGuru's fuzzy engine compares content, not names, and its similarity threshold separates 'exact copy' from 'probably the same photo re-exported', which is the distinction that makes deduping a photo library safe rather than terrifying. Reference directories (mark the archive drive as protected; only copies elsewhere are candidates) show a tool designed by someone who has felt the fear of the Delete button. Version 4.3.1 is the long-standing stable release, maintained on GitHub after Hardcoded Software open-sourced the project; the interface is plain and a little old-fashioned, and scans of huge photo libraries take patient minutes rather than seconds. One provenance warning belongs in every dupeGuru review: the official site is dupeguru.voltaicideas.net — similar-looking domains are unaffiliated guide/download sites. This page links the maintainer's genuine GitHub installer. For reclaiming disk space safely, dupeGuru remains the free tool we trust. The results window groups duplicates with the reference copy pinned on top and can re-sort by size, so the biggest wins — the duplicated video exports and disk images — surface first instead of alphabetically. Disk space reclaimed in the first scan usually pays back the download.

Features

Fuzzy content-based matching finds duplicates even when filenames differ, with an adjustable similarity threshold for photos and music.
Safety-first design: reference folders' copies are protected from deletion, and results can be sent to the Recycle Bin or replaced with hardlinks.
Dedicated picture and music modes read EXIF and tag data, so near-identical exports and retagged songs are grouped intelligently.
Powerful result filtering, priority rules, and 'send marked to…' actions make processing thousands of duplicate groups manageable.
Free and open source (GPLv3), cross-platform, with the official download published by the maintainer on GitHub and documented at dupeguru.voltaicideas.net.

Considerations

The interface is dated and spreadsheet-like; first-time users should read the quick-start before their first deletion.
Deep fuzzy scans of very large media libraries take minutes, and tuning the similarity threshold is a judgment call with real stakes.
Development moves slowly — 4.3.1 is a mature, stable release rather than a rapidly evolving one.

About & Overview: dupeGuru for Windows PC

dupeGuru is a free, open-source duplicate-file finder from Hardcoded Software (official site: dupeguru.voltaicideas.net — note that 'dupeguru.net' is an unrelated third-party guide site, not the vendor). Its fuzzy matching engine finds duplicates even when filenames differ, using content comparison with a similarity threshold you control, and it is tuned to be safe: reference folders keep their copies protected, and deletions can go to the Recycle Bin or be replaced with links. Specialized picture and music modes understand EXIF data and audio tags. Version 4.3.1 is the current stable release, maintained in the open on GitHub.

How to Install & Verify dupeGuru for Windows PC

STEP 1

Download the installer

Download dupeGuru from the official vendor link on this page.

STEP 2

Run the setup

Open the downloaded file and complete the installation.

STEP 3

Scan safely

Launch dupeGuru, add folders to scan, mark your main archive folder as Reference, then scan and review groups before deleting.

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Frequently Asked Questions & Verification Guide

Is dupeGuru free?

Yes. dupeGuru is free and open-source software (GPLv3) from Hardcoded Software.

What is the official dupeGuru website?

The vendor's site is dupeguru.voltaicideas.net. The similarly named dupeguru.net is a third-party guide site, not the developer — this page links the maintainer's official GitHub installer.

Is it safe to delete what dupeGuru finds?

dupeGuru is designed for safety: mark your main archive as a reference folder so its copies are never candidates, review groups before deleting, and prefer sending files to the Recycle Bin until you are confident.

Can dupeGuru find duplicate photos with different names?

Yes. Its picture mode compares image content with a similarity threshold, so re-exported or renamed copies of the same photo are grouped together.

Does dupeGuru work on Windows 11?

Yes. The 64-bit Windows build of 4.3.1 runs on Windows 11 and Windows 10.