Find duplicate files and link them using hard links to save a lot of disk space without deleting!
Duplicate Files Search & Link 是一款专为查找和管理重复文件设计的高效工具。它旨在帮助用户快速识别、分析和处理硬盘或网络驱动器中的重复文件，从而释放存储空间并优化文件组织。软件提供了直观的操作界面和强大的搜索算法，确保用户能够轻松找到并处理冗余文件，同时支持多种操作方式，如删除、移动、复制和创建符号链接，以满足不同需求。无论是个人用户还是企业管理员，都可以通过这款工具显著提升文件管理和存储效率。
Duplicate Files Search & Link (Duplicate Searcher) is an application for searching duplicate files (clones) and NTFS hard links as well symbolic links to the same file. It searches duplicate file contents regardless of file name (byte-by-byte comparison is used). This application allows not only to delete duplicate files or to move them to another location, but to replace duplicates with NTFS hard links or symbolic links as well (unique!).
This application was developed because I haven’t find any similar application which allows to operate NTFS-links.
A NTFS hard link is the file system representation of a file by which more than one path can refer a single file in the same partition. NTFS hard links allow several files to share the same space on the disk (the same file). For example, several applications can use NTFS-links to the same version of the library instead using different copies of the library files. If several hard links point to the one file, deleting of any hard links doesn’t cause deleting of the file and freeing disk space until the last hard link to the file will be deleted.
Features:
- Free for non-commercial use.
Donations to support a further development are welcome! 😉 - Fast search engine can scan multiple independent drives at once or multiple files on the same SSD.
- Identify directory entries that already share a single linked file (hard or symbolic link) on Windows NTFS partitions.
*Starting from version 6 also supports hard or symbolic links on Linux EXT2, EXT3, EXT4 partitions (tested only with EXT-partitions mounted with Ext2Fsd-driver for Windows). - Identify audio, video and JPG files that contain identical media content but have different metadata information. (Unique and new in version 7!)
- Replace files with hard or symbolic links. (unique!)
Replacing files with hard link means to link multiple directory entries (file names) to a single file on the same logical drive (aka volume/partition).
Warning! Be very careful by linking system files, back-up files and files which can be altered by the user or OS. Hard or symbolic links aren’t independent files anymore, all the links point to single file and, if the file is being overwritten using any of link, all other links will also point to the new content. - Detailed visualisation of duplicate files, NTFS hard links, symbolic links and junction points.
- Filter and sort files in many ways, including by fragmentation and hard links count.
- Supports long paths (path longer than 260 characters). Many other applications don’t support long paths.
System requirements:
OS: Windows XP / Server 2003 / Vista / Server 2008 (only versions up to 5.2.*),
Windows 7 / Windows 8 / Windows 10 / Windows 11 (32- and 64-bit)
If you use Windows 7 Microsoft .NET Framework 4.7.2+ must be installed in order to use Duplicate Files Search & Link. Windows 10 version 1803 and later should have already installed Microsoft .NET Framework 4.7.2 or newer.
You can also install the platform .NET Desktop Runtime 9.0 (64 bit, 32 bit) to run the latest version for this platform.
Windows 7 and Windows 8 (8.1) users must install the Windows update KB2999226 to run applications build for .NET 6.0 and newer.
If the update is missing you will get the error “The program can’t start because api-ms-win-crt-runtime-l1-1-0.dll is missing…”
Languages: Belorussian, Chinese, English, French (translated by Colok), German, Hungarian, Italian, Japanese, Polish, Portuguese, Russian, Spain (Colombia), Türkçe, Ukrainian.
软件功能
1、Duplicate Files Search&Link提供重复查询删除功能，找到重复的就可以删除
2、支持删除到回收站，如果担心错误删除内容可以选择临时删除到回收站
3、支持移动到指定的文件夹，可以将重复的内容统一迁移到新的地址保存
4、支持压缩功能，可以对重复的rar等内容压缩，也可以运用外部工具打开重复的文件
5、也可以在软件找到重复的链接内容，支持用硬链接替换重复文件
6、支持用软链接替换重复文件，支持卸载硬链接
7、软件会显示重复内容分组，找到的重复内容自动在列表上显示分组，方便对分组内容删除
8、支持预览功能，如果是可以直接查看的照片或者文件就可以预览
9、支持快速选择重复内容：选择每个组中的最新文件、选择所有只读和系统文件、选择选定行上方的文件
官方网站：Duplicate Files Search & Link (aka Duplicate Searcher)
运行平台：Windows XP / Server 2003 / Vista / Server 2008 (only versions up to 5.2.*),
Windows 7 / Windows 8 / Windows 10 / Windows 11 (32- and 64-bit)
界面语言：多国语言（含中文）
Download：
V10.6.6( July 31, 2025 )：Download（Standalone package）；Download（Installer）；
V5.3.0 (May 02, 2023)：Download（XP，Standalone package）；Download（Installer）
网盘搬运：DupFilesSearchAndLink_(10_6_6).zip – 蓝奏云；
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