Exact Duplicate Finder

Exact Duplicate Finder is a tool designed to identify and remove duplicate files on Windows systems. It analyzes file content to detect exact matches, regardless of name or location. The program uses comparison algorithms to ensure accurate results.

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• Content-based comparison. The program analyzes the binary content of files to detect real duplicates. It does not rely on names, dates, or metadata, ensuring accurate identification even if files have different names or are in different folders.
• Multiple scanning methods. Allows you to select between different comparison algorithms, including MD5 hash, SHA-1, and byte-by-byte comparison. Each method has its advantages depending on the file type and speed required.
• Advanced filters. Offers options to filter searches by size, modification date, or file type. These filters help reduce analysis time by excluding files that do not meet the specified criteria.
• Results management interface. Displays found duplicate files in an organized list with detailed information about each file. From this interface, files can be selected for deletion or moved to another location.
• File preview. Includes a built-in viewer for images, text documents, and other common formats. This feature allows you to verify content before taking any action on duplicate files.
• Operation log. Maintains a complete history of all actions performed, including deleted or moved files. The log can be exported in text format for later analysis.
• Read-only mode. Allows scanning without making changes to the file system. This mode is useful for evaluating results before proceeding with duplicate deletion.
• Task scheduling. Offers the possibility to schedule automatic scans at specific times. Scheduled tasks can run even when the program is not open.
• Folder exclusion. Allows you to define directories that should be ignored during scanning. This feature is useful to avoid analyzing folders with system files or backups.
• Folder-to-folder comparison. Facilitates direct comparison between two specific directories. Identifies identical files that exist in both locations, regardless of their name.
• Recoverable space analysis. Calculates the total disk space that can be freed by removing found duplicates. Shows detailed statistics by file type and location.
• Network drive support. Can scan files located on network shares, provided the system has access permissions. Supports SMB and NAS protocols.

Exact Duplicate Finder was initially developed in 2012 by an independent team of programmers specializing in system maintenance tools. The software is written in C++ with additional components in .NET Framework for the graphical interface. The first public version was released in 2013 after a year of internal testing. Development remains active with regular updates that add new features and improve performance.

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