Duplicate & Same Files Searcher finds files with identical contents, even when their names differ, using byte-by-byte comparison. It can also identify NTFS hard links, junction points and symbolic links. Scan selected disks or folders, review visualized results, then delete or move selected duplicates, or replace them with NTFS hard links to reduce redundant storage.

Duplicate & Same Files Searcher is a Windows utility for finding duplicate file contents and NTFS hard links across selected disks and folders. It is useful for people who want to identify redundant files, review how they are stored, and choose whether to remove, relocate or consolidate them. Files are compared byte by byte, so matching content can be found even when filenames differ. The program also detects links that refer to the same underlying file rather than treating every path as a separate copy.

A scan can be limited to chosen drives or folders. Results present duplicate groups alongside NTFS hard links, junction points and symbolic links, helping distinguish independent copies from linked paths. File fragmentation is shown, and compressed NTFS files are highlighted in color. A search function within the results list helps locate particular entries, while an option to hide groups without actual duplicates can make a large scan easier to review. Results can be saved and loaded for later inspection or further processing.

After reviewing the groups, users can select files manually or apply filters to choose items for action. The utility can delete files or move them to another location. It can also replace duplicate files with NTFS hard links, allowing multiple paths to refer to one stored file and reducing redundant disk usage. Before creating those links, it can check whether the files have compatible NTFS permissions. The program can also compress files on NTFS volumes, and supports alternate NTFS streams.

These functions suit tasks such as reclaiming storage after repeated downloads or backups, checking collections of documents and media, and examining folders where copies have accumulated under different names. For MP3 files, an experimental comparison mode can ignore ID3 metadata and compare the music content instead, which can help find tracks whose tags differ. The visual link information and saved results are also useful when a scan needs to be reviewed before any files are changed.

The program is freeware and has an interface available in English, Russian and Japanese. It requires .NET Framework 2.0 or later and runs on Windows versions including Windows 7. Its file operations can change or remove data, so results should be checked carefully before applying deletions, moves or hard-link replacements.

New Release
Added skipping files in the OneDrive folder that physically aren't on the local computer (files in the cloud).
Files in the cloud are now excluded from search by default, but if you like to include cloud files to search for duplicates and let OneDrive download them to your computer for comparison, you can set SkipFilesInCloud="0" in the Profile settings in the file settings.xml.
It's just a quick fix. The checkbox in the UI for the setting will be added in a future version.
[ Duplicate & Same Files Searcher release history ]

.NET Framework 2.0 or later

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