Free identify duplicate files software for windows

Duplicate File Eraser is a small utility to search and delete duplicate files. Duplicate files are usually unnecessary and waste hard disk space. This tool will search a user specified directory/drive using MD5, CRC32 or SHA1 for true duplicate files. It will search duplicate files by file content not by filename or filesize. After a search session duplicate-files can be deleted or moved to recycle bin.

The File Duplicate Finder was designed to be a small application built in C# .Net 3.5 with a set of Microsoft SQL Server Reporting Services reports that inventories files on a specific path on a file system or in SharePoint and stores its hash and location in a table.
With this you can identify duplicates between a file server and SharePoint sites as well as get storage statistics.
System requirements:
- SQL Server database
- .Net Framework 3.5

Fast Duplicate File Finder 1.1.0.0 can quickly find all duplicate files in a folder and its sub folders. The applications will compare the content of your files so it will find duplicates even if they are using different file names. It uses fast binary comparison algorithm and has internal preview supporting a lot of image, video, music and text file formats.

You can also preview the files in binary mode. When the scan process is finished the program shows you all duplicate files in groups and can automatically mark the older files for deletion. The auto mark algorithm has advanced settings to exclude from auto mark files with user specified extensions, file sizes, file dates and file names. You can also set which folders you want to exclude from the auto mark. There is an option to protect system files and folders which is recommended to be turned on.
Major Features:

1. Fast Duplicate File Finder is a powerful utility for finding duplicate files in a folder and all its sub folders. It has the following features:
2. Find all duplicate files in user specified folders, drives or entire computers.
3. Fast binary comparison algorithm
4. Internal preview supporting images, videos, music, text and binary files
5. Older files can be automatically marked for deletion
6. Duplicate files can be moved to Recycle Bin, custom folder or deleted permanently
7. Support for all kinds of removable media - usb drives, diskettes etc.
8. Has intuitive interface and rich documentation
9. Process priority settings that will let the application scan in your computers IDLE time
10. Protection for system files and folders that will prevent damages to your system files
11. Automatically locate duplicate files in Windows Explorer
12. Open file with associated program
13. Multi-language support

This program is great for cleaning up disk space in your picture folders, or documents folders, or download folders. You can also specify to only search for jpg files or mp3 files, or any other type of specific file type!

WARNING: Do not delete files if you do not know what they are! It is NOT recommended that you search your system directory and delete all the duplicate files it contains; since your operating system may need those files!

Major Features:

1. Multi-threading operation to provide extremely fast search results.
2. FASTER Duplicate File Searching than any other program of its kind!
3. Fast Search mode allows extremely fast byte comparisons on large files.
4. Search Across Multiple Directories and Drives.
5. Search for All File Type or Narrow your Search to Specific File types only!
6. Also can locate and delete empty files.
7. Double Click a file in the tree list to display a detailed information dialog.
8. Ability to Delete Selected Original Files.
9. Tip: Original Files are determined by creation date, if it was created first, it is considered the original file.

Enhancements: Added feature to sort by creation or modify date.

Requirements: none