Category Archives: Visual Similarity Duplicate Image Finder

Duplicate Photo Finder – VSDIF 4.8.0.1 Adds Performance Improvements and More Image Formats

Duplicate Photo Finder

Duplicate Photo Finder

Find Duplicate Photos Faster With Visual Similarity Duplicate Image Finder 4.8.0.1

The new duplicate photo finder version is up to 80% faster when searching RAW formats and fixes some issues related to images that do not comply to the standards. VSDIF now better handles also the popular Nikon NEF RAW format and provides improved support for some of the Canon CRW formats.

This release adds support for eleven new RAW file formats.kdc, .srw, .bay, .3fr, .k25, .cam, .nrw, .mos, .dc2, .rw1, .rwl. Find detailed information about these newly supported  formats at the bottom of this article.

The improved “Browse for Folders” dialog, scans faster folders with many files. In addition to that now you can drag&drop folders from Windows Explorer directly inside Visual Similarity Duplicate Imaged Finder and they will be added to the folders list.

There are plenty of other small GUI fixes and enhancements that include also new 32-bit toolbar icons. Click here for complete change log.

Duplicate Photo Finder Free Download
Visual Similarity Duplicate Image Finder

Duplicate Photo Finder

Duplicate Photo Finder


File Format: .kdc
File Type: Kodak Photo-Enhancer File

Developer: Kodak
Bitmap image format used by several Kodak digital cameras, including the Kodak DC40, Kodak DC50, and Kodak DC120; can be viewed using the Kodak software included with the camera or with some third-party programs; also known as a Kodak Photogen file.

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Visual Similarity Duplicate Image Finder

File Format: .srw
File Type: Samsung RAW Image
Developer: Samsung

Digital photo taken by a Samsung digital camera; contains a RAW image captured by the digital camera in a proprietary format; commonly touched up in photo editing software before publishing to the Web or to a digital media publication. NOTE: RAW files are not traditional raster image files such as .JPG and .PNG files because they store additional information such as white balance and exposure.

File Format: .bay
File Type: Casio RAW Image
Developer: Casio

Digital photograph captured by a Casio digial camera; saves raw image data from the camera in a proprietary format; can be touched up with some image editors and then exported to standard raster formats such as .JPG. NOTE: Casio Camera RAW files also use the .RAW extension.

File Format: .3fr
File Type: Hasselblad 3F RAW Image
Developer: Hasselblad

Digital photo captured by a Hasselblad digital camera; saves the photo in a RAW format as captured directly by the digital camera’s CCD; used for saving photos natively before applying touch-ups, such as white balance or color corrections.

File Format: .k25
File Type: Kodak K25 Image
Developer: Kodak

Digital photo captured by a Kodak DC25 digital camera, an older model from Kodak; can be converted to .JPG or other common formats using a converter such as DC25Convert or ReaConverter.

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Visual Similarity Duplicate Image Finder

File Format: .cam
File Type: CASIO Digital Camera Picture File
Developer: CASIO

Raw camera image captured by older CASIO QV series digital cameras, including the CASIO QV-10A, QV-11, QV-100, QV-120, and QV-200; stores a picture in a proprietary bitmap format; may be viewed by the software provided with the CASIO camera. CAM files were also viewable on CASSIOPEIA E-11 mobile devices using the CASIO’s Digital Camera Viewer software.

File Format: .nrw
File Type: Nikon Raw Image File
Developer: Nikon

Raw image file produced by high-end Nikon COOLPIX and digital SLR cameras; saves image data in an uncompressed format that can be processed on the camera or on a computer after the images is captured; similar to the previous .NEF format, but is designed to support Windows Imaging Component (WIC) functions.

File Format: .mos
File Type: Leaf Camera RAW File
Developer: Leaf Imaging

RAW image captured by several different types of digital cameras, such as the Leaf Aptus series and Mamiya cameras; stores a digital image in an uncompressed format; can be opened and edited using some image-editing applications. The MOS file format was developed by Leaf, a longstanding developer of digital cameras. Several Leaf cameras, including the Aptus series are now developed by Leaf Imaging, which is a subsidiary of Phase One.

File Format: .dc2
File Type: Kodak Photo-Enhancer File
Developer: Kodak

Camera RAW file created by some Kodak digital cameras; stores the image in an uncompressed format exactly as it was captured on the camera; often imported into photo-editing software for touch-ups and publishing.

File Format: .rw1, .rwl
File Type: Leica RAW Image
Developer: Leica

Camera RAW image created by a Leica digital camera; saves the picture in a proprietary raw format and maintains the original data as captured by the camera’s CCD; often touched up using photo editing software before publishing to the Web, a slide show, or to another digital publication.

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Visual Similarity Duplicate Image Finder

Duplicate Image Finder – Outstanding Performance and Windows 8 Support

Fstest Duplicate Image Finder

Fastest Duplicate Image Finder

Search for Duplicate Images Faster Than Ever

Visual Similarity Duplicate Image Finder 4.7.0.1 is now Windows 8 certified. The application utilizes a new cache system that provides immense speed improvement in the pre-processing stage. The improvement can be up to 1000 (no it is not a typo – thousand times)  faster depending on the count of images. Using the new cache system VSDIF can now pre-process 10,000 images in a second. It is strongly recommended to use the new cache system as consequential scans of an image library will be extremely fast.

The best thing regarding the new cache is the fact that it also detects modified files. This means that a file which was cached in a previous scan and has been modified will be identified and re-processed. This ensures that the duplicate image finder will use the latest version of every file even when using the cache system. The new cache system is available also for the “Image Search” feature and will work equally fast. Old cache files were designed for slow storage and computers and are no longer supported.

In addition to the options that were available for excluding files, the improvements in the filtering options now allow to include files based on various criteria. Here are the filtering options:

Duplicate Image Finder Filter

Duplicate Image Finder Filter

There is a new option “Check All Except First in Group” in the Auto-check feature.  An  updated browse for folder dialog can be used to navigate to a folder that is pasted from the clipboard. There is a huge speed improvement when loading large project files. The entire change log can be found here.

Do not forget to check also the free Duplicate File Finder, Duplicate MP3 Finder and Folder Size tools that will help with the disk cleanup process.

Find Duplicate Photos and Pictures – VSDIF 4.2.0.1 is Released

Duplicate Photo Finder

Duplicate Photo Finder

Version 4.2.0.1 of Visual Similarity Duplicate Image Finder comes with important new features and fixes. One of the important new features is the support for symbolic links in Windows 7. Now Visual Similarity Duplicate Image Finder will work flawlessly under Windows 7.

There is a new option to set the cache folder location. This is extremely useful if you have a large collection of photos and you are lacking space on your system drive.

A lot of GUI improvements and fixes are also available. You can now set each column’s auto-size attribute individually, some issues with column sizing and splitter were also fixed.

An enhanced Move/Delete files window will report details for the operation. If files were in use during the delete operation and they could not be moved/deleted they will be listed so that you can free the files and retry the delete operation.

The program will check for Recycle Bin size and show a warning if you want to delete the files to Recycle Bin and there is not enough space available. Automatic delete can now also delete read-only files.

Check the complete What’s New List here.

Visual Similarity Duplicate Image Finder 4.0.0.1 – Enhanced DICOM images support

Duplicate Image Finder

Duplicate Image Finder

A new major release of Visual Similarity Duplicate Image Finder 4.0.0.1 is available for download.  Using the Pause/Resume functionality you can temporarily stop VSDIF in order to perform some tasks and later resume the scan. A Quick Check/Uncheck functionality allows you to check/uncheck files by their folder, extension, file size, file date, etc. You can now add/remove multiple folders at once in the filter dialog. A new option “Quick load images” is added, which was until now always on.  If you have some strange results showing absolutely different images as duplicates, then turn this option off. This issue is caused by damaged images that can not be properly loaded when “Quick load images” option is enabled. An enhanced DICOM images support is added. This release also includes  other small bug fixes and GUI improvements.

Find Similar And Duplicate HDPhoto files – JPEG XR and Windows Media Photo (*.hdp; *.wdp; *.jxr)

Duplicate Image Finder

Duplicate Image Finder

Visual Similarity Duplicate Image Finder 3.8.0.1 is released packed with new features and improvements. The new HDPhoto file format (also known as JPEG XR and Windows Media Photo ) is now supported. A better browse for folder dialog lets you choose several folders simultaneously. There is a new option that can be enabled and will remove the groups that contain only one file after manual delete/move operation from the list. The user checked files can now be displayed using bold formatted font style. A new tab in the options determines which columns should be visible in the results grid. A warning message is now displayed if you try to uncheck all images in a selection where you had manually checked items. Please check the “What’s New” section below for a complete list of the new features and fixes.

Below is a description of the HDPhoto file format:


HD Photo is a new file format for continuous-tone still images that surpasses the limitations of existing image formats. HD Photo supports a wide range of features including:

• Multiple color formats for display or print
• Fixed or floating point high dynamic range image encoding
• Lossless or high quality lossy compression
• Extremely efficient decoding for multiple resolutions and sub-regions
• Minimal overhead for format conversion or transformations during decode

HD Photo is the new name for Windows Media Photo. Both names refer to the exact same file format. The Windows Media Photo name is still used to describe the implementation of HD Photo in Microsoft Windows products.

HD Photo is used in XML Paper Specification (XPS) to deliver a lightweight, high performance algorithm with a small memory footprint that enables practical, in-device encoding and decoding. It delivers compression quality comparable with JPEG-2000 and more than twice the quality of JPEG.

Most technologies in the JPEG XR Standard are based on the HD Photo file format. The JPEG XR Standard is also known as the ISO/IEC Standard 29199-2 and as the ITU-T Recommendation T.832.


What’s New?

Version 3.8.0.1:

  • Added HDPhoto files support (*.hdp; *.wdp; *.jxr) (Only in Pro and Corporate version)
  • You can now add multiple folders at once using the enhanced Browse for Folder dialog.
  • Added new option “Remove from list groups containing single file after delete/move”.
  • Added new option “Show user checked files in bold font”.
  • Added new options tab to select which columns you want to be shown in the results grid.
  • Added warnings when unchecking a selection of images and there are user checked images.
  • Fixed Disable Folder Self-scan in Hash/Filesize/EXIF modes.
  • Fixed some bugs when moving files.
  • Other small bug fixes and GUI improvements.

Visual Similarity Duplicate Image Finder 3.5.0.1 – Find Similar DICOM Files

Visual Similarity Duplicate Image Finder 3.5.0.1 adds support for DICOM Files. (Available only in Corporate version)

Digital Imaging and Communications in Medicine (DICOM) is a standard for handling, storing, printing, and transmitting information in medical imaging. It includes a file format definition and a network communications protocol. The communication protocol is an application protocol that uses TCP/IP to communicate between systems. DICOM files can be exchanged between two entities that are capable of receiving image and patient data in DICOM format.

Added support for 25 new digital cameras.

The PRO and Corporate versions also provide a powerful filter functionality that will let you exclude certain files or folders from the scan and also an option to delete empty folders.

Visual Similarity Duplicate Image Finder-Filter
Find Duplicate Images Filter

The new grid popup menu item Properties shows windows explorer file properties window. Another grid popup menu item “Check All Except Excluded” will check all files except the excluded ones from the Advanced dialog in Auto-check options or files which folder was disabled for auto-check. The popup menu item “Disable self-Scan For This Folder” is now available also in the Pro along with the Corporate one. The “100% Identical Files” scan method is now a lot faster which is also true for the Check Selected/Invert Selection/Uncheck All when there are a lot of files in the duplicates list . There are now two separate columns for File Name and Folder which allows easier navigation and sorting.

There are also a lot of fixes. Some of them are the fixed logging under Windows Vista/7, fixed auto-check when there are folders disabled for auto-check.

About 10% faster “preprocessing images” step on older 1-core processors. Owners of the corporate version of the program can register it using command-line parameters. See command-line help for details.

Visual Similarity Duplicate Image Finder 3.1.0.2 – Improved auto check and 10% faster speed.

Visual Similarity Duplicate Image Finder 3.1.0.2 is 10% faster and provides a new improved auto check algorithm.

The version also provides extar RAW formats support.

If you are using a cache file you should recreate it in order to use the new version.

The corporate version takes into account the “Advanced Compare” settings.

Visual Similarity Duplicate Image Finder-Options

Visual Similarity Duplicate Images Finder 3.1.0.1 is Released

Visual Similarity Duplicate Images Finder 3.1.0.1 is Released and available for download. The new version can automatically log-off, shutdown, hibernate or stand-by the system after scan is finished. A new feature will let you easily rename files inside the duplicate images list. Panasonic’s RW2 raw extension support is now added. Added -cachenames command-line parameter in Corporate version, that will increase extremely the scan performance if you compare new images against a database that is not modified. This option will tell Visual Similarity Duplicate Image Finder not to check the images in the database for changes. This will save time that would otherwise be wasted in order to rescan the existing images.

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Find duplicate photos. Perform a duplicate search using Visual Similarity Duplicate Image Finder 2.6.0.3

Visual Similarity Duplicate Image Finder 2.6.0.3 is releases and available for download. The version fixes some small issues reported by our users and turns it into a really stable release.

We would like to remind you here also that besided the duplicate search features of the product we have also added the Photo Search feature. It is very convinient in cases when you would like to search in your library for similar images by given sample(s). It will list all the images in the selected folders that are similar to the loaded samples.

Finding your wedding photos is now pretty easy. Do you remember the photo you sent to John? Just load it in Visual Similarity Duplicate Image Finder and it will find the rest of the set for you.

Duplicate Photo Search
Duplicate Search

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We are planning to release a new major update of Visual Similarity Duplicate Image Finder soon which will introduce valuable new features. The new 3.x.x.x release will require a new license that will grant you free updates until the next 4.x.x.x major update.

We would like to thank you for registering your copies and supporting our hard work towrds bringing you the fasted and the most feature-rich duplicate photo search application.

VS Duplicate Image Finder 2.6.0.2 – Updated RAW scan and improved performance

Visual Similarity Duplicate Image Finder 2.6.0.2 improves performance with extra 10-15% at the image comparing stage and fixes a bunch of issues. VSDIF also improves multi language OS support and now handles properly the file names containing characters from the current “Language for non-Unicode programs”.
The RAW processing feature is also improved and a fix for previewing 32-bit and 48-bit images is added.
Corporate version now doesn’t show main window after command-line scan. Some small fixes and changes are applied including floating point operation error on some white images.

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