Download Duplicate File Detective 8 for free - full and permanent version. This program finds and deletes duplicate files on your computer, helping to free up space on Windows. It's easy to use and safe, supports scanning multiple folders and drives simultaneously, and is the latest version.
What is a Duplicate File Detective?
Duplicate File Detective This is a duplicate file manager program that analyzes the contents of files to find identical entries, even if the file names or storage locations differ. It can check folders, drives, removable devices, and network locations, making it ideal for organizing documents, images, videos, music, and multiple work files. The search results are displayed in groups for easy comparison of size, date, and path before making a decision.
Post-discovery management offers various options, from moving or deleting duplicate files to compressing files and creating links back to the original files. The SmartMark system helps select copies to keep based on defined rules, such as choosing files in the parent folder or those with newer dates. At the same time, detailed checking and cached hashing reduce comparison time during re-scanning, allowing for careful review of results in groups and minimizing the risk of accidentally deleting files. It also allows for reviewing selected items before actually deleting or moving them.
Duplicate File Detective is suitable for both cleaning up personal drives and managing team storage space because it allows you to schedule scans, generate reports, and preserve the original folder structure when data is moved. If you want to check which folders are using up space before deleting duplicate files, you can use... TreeSize Pro It helps provide an overview of space usage to aid decision-making. The report also shows the number of files and space recovered, allowing for continuous drive management planning without having to manually check every folder.
Key Features
- Find duplicate files based on content (with option to check byte by byte).
- The program's built-in timer makes it easy to run reports on a schedule or in a recurring format.
- Select duplicate files using SmartMark selection technology.
- Supports checking for duplicate files per originating path to verify that they have an authorized source.
- High-efficiency file hash caching technology improves the effectiveness of file comparisons.
- Move, delete, or zip duplicate files using the included Duplicate File Manager tool.
- Replace duplicate files with shell, symbolic, or hard links to the original files.
- Delete empty folders while deleting or moving duplicate files.
- Move duplicate files while preserving the original folder structure.
- A high-performance command-line interface for merging and automation support.
- Find duplicate music files by extracting and analyzing audio tags.
- Comprehensive search filtering – Limit your search by filename, date, size, length, and more.
- Search for local paths and multiple networks in a single search.
- Send duplicate file search results in XML, HTML, CSV, TXT, PDF, and Excel formats.
- Import duplicate file search results from an XML data file.
- Compare the contents of each file within zip archives.
- The efficient file type report shows which types of duplicate files are using the most space.
- A hash/checksum calculation tool for existing files (supports CRC32, ADLER32, MD5, SHA1, SHA256, and SHA512).
- Highly efficient enterprise-grade architecture – easily manages large file systems.
- Many more!
What's new?
Version 8.0.85 (Released August 21, 2026)
- Bug fix: Fixed issue with some context menu options being disabled.
Details of changes in different versions can be found in the developer's release notes. Details:
File Information
- Operating System: Windows 11 / Windows 10 / 8.1
- Developer: Key Metric Software
- License: Full
- Language: English
- Size: 57.61 MB
- File type: *.rar
- Password: mawto
- Installation Method: Available
- Updated: 25/8/2026
- Required Reading: Download Guide
