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Visual Similarity Duplicate Image Finder - What's New?

Version 4.2.0.1:

Added support for symbolic links in Windows 7
Added options to set each column auto-size attribute
Added new option to set the cache folder location.
Fixed some issues with column sizing and splitter
Enhanced Move/Delete files window
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
The program can delete read-only files
Other small bug fixes and GUI improvements.

Version 4.0.0.1:

Added Pause/Resume functionality
Added Quick Check/Uncheck functionality, which 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.
Added new option "Quick load images", which was until now always on. If you have some strange results showing absolutely different images as duplicates, then turn this option off.
Enhanced DICOM images support.
Other small bug fixes and GUI improvements.

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.

Version 3.5.0.1:

Added DICOM files support (*.dcm) (Only in Corporate version)
Added filter files functionality, so you can exclude files or folders from scanning (Only in Pro and Corporate versions)
Added option "Delete empty folders" (Only in Pro and Corporate versions)
Added grid popup menu item Properties which shows windows explorer file properties window.
Added grid popup menu item "Check All Except Excluded" which 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
Popup menu "Disable self-Scan For This Folder" is now available in the Pro version too
A lot faster "100% Identical Files" method
A lot faster 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
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.
Updated internal imaging and RAW images libraries (added support for 25 new digital cameras)

Version 3.1.0.2:

Changed cache hash algorithm. Please recreate your cache files!
Improved auto-check algorithm.
Updated RAW support
Up to 10% speed increase when using already created cache file.
Command-line corporate version will use the "Advanced Compare" settings.
Other small fixes.

Version 3.1.0.1:

Added option to automatically log-off, shutdown, hibernate or stand-by the system after scan is finished.
The user can rename files in duplicate results list using F2 key (only in registered version).
Project modified status in program caption is now updated correctly.
Added Panasonic's RW2 raw extension support.
Added -cachenames command-line parameter (only in Corporate version)
Updated internal imaging library
Other small fixes

Version 3.0.0.1:

Over 50% speed increase in the comparing images pass.
Added new scan method "EXIF Date Time Original" which will compare only the EXIF timestamp of the photos and group them according to the time difference in seconds set by the user.
Added option to show user checked files in a different (blended green) color.
Added line nubmers in duplicate results grid.
Ctrl+K checks selected files (also available as a popup menu)
Ctrl+U unchecks selected files (also available as a popup menu)
Ctrl+I inverts the checked status of the selected files (also available as a popup menu)
Ctrl+A selects all files in the list
Left and Right arrow keys can now be used to navigate in the big preview window.
Enter and 'C' key now checks/unchecks the duplicate in the big preview window.
Faster loading big projects and faster auto check.
User can adjust similarity using the new floating point spin edit to 95.1%, 95.2%, etc.
New project file format over 50% smaller from the current one.
Better handling of files over 2GB.
Fixed: The program halts when the user try to move duplicate images and there is not enough free space on target device.
Other small GUI fixes and enhancements.

Version 2.6.0.3:

Fixed various bugs reported by users.

Version 2.6.0.2:

About 10-15% speed increase in the comparing images step.
Fixed loading file names containing characters from the current "Language for non-Unicode programs".
Fixed floating point operation error on some white images.
Fixed Corporate version now doesn't show main window after command-line scan.
Fixed preview of 32-bit and 48-bit images.
Other small fixes and changes.
Updated RAW images processing libraries.

Version 2.6.0.1:

Added: auto check advanced settings. You can adjust which files you don't want to be auto checked.
Added: "Add Folder" toolbar button.
Added: "Delete" popup menu on the results grid.
Added: On new project VSDIF shows automatically Browse for Folder dialog.
Fixed: Memory leak on loading RAW images.
Fixed: VSDIF reported incorrect sizes on some RAW images.

Version 2.5.0.1:

Added support for RAW digital photos (only in Pro and Corporate versions). See the supported digital cameras list here.You can use the DEMO version to try this new feature.
Added "Search For Images" functionality.
Preview window is moved under the duplicates list and shows two images at the same time. When ALT is pressed the selected image is shown in the left preview image window otherwise it is shown in the right preview window.
Corporate version is now multithreaded. Also it accepts only one file list as a parameter. See help for details.
Added option "Load last project on program startup".
Added auto check option "Images with older file dates".
Up to 10% speed increase in the "Preprocessing images..." step.
Up to 5% additional speed increase if using "No Cache" option.
Fixed/improved tray icon main form restore functionality.
Fixed: Total checked duplicate size in KB is not updated after using Auto Check/Uncheck All. Now the total number of checked files is shown too.
Fixed: In some occasions the duplicates list was cleared after the user deleted/moved some files.
Fixed: Incorrect width and height of some JPEG files which could lead to improper automark for some images.
Fixed: Some duplicates were missed from the scanning engine and were not added to groups with 3 or more duplicates.

Version 2.1.0.1:

Fixed Abort scan during building files list.
Fixed duplicates checked state after loading a project.
Folders list is correctly filled after loading a project.

Version 2.1.0.0:

Added "No Cache" option, faster than "New Cache" on a not-scanned yet folder. See main screen help for details.
Preview speed was greatly improved.
New grid window showing file type icon in front of the file name and colored similarity progress bar.
Improved duplicate documents detection when using autoskew.
Fixed incorrectly detecting some very small images as duplicates.
Better handling of corrupt images.
Grid columns can now be sorted keeping the group order.
Grid column settings are stored to registry and loaded on next program startup.
Delete to Recycle Bin and last used cache method settings are now correctly stored to registry.
Improved "Disable Auto Mark For This Folder" functionality.
Fixed fast hash and FileSize methods.
Improved stability, lowered memory and system resources usage.
Default priority method was changed to Lower, so you can continue your work while scanning images in background.
Internal preview window is also shown on double clicking the small preview window or by pressing Enter in the duplicates list.
Other small fixes and changes.

Version 2.0.0.1:

Speed increase over 100 times! VSDIF is now the fastest duplicate images finder available.
Support for multi-core CPU. VSDIF now uses all your CPU cores in the images preprocessing step.
Completely rewritten and highly optimized engine. Can scan over 10000 hi-res images on an average 1.8Ghz desktop PC within 10 minutes!
8 times smaller cache file sizes. VSDIF now uses less hard disk space.
New redesigned user interface shows all duplicate groups in different colors in one grid window.
Access to some of the options directly from the main window.
Using Delete key in folder list removes the selected folders from the list.
Added popup menu in the duplicate results grid with items Open, Open with Associated Program and Locate in Explorer (Available only in the registered version).
Added Auto Select tool button.
Added button to delete a cache file
Using Delete key in the duplicates list, after a confirmation dialog you can delete all selected files from the list and from the disk. (Available only in the Registered version). Note the difference between selected and checked duplicates.

Version 1.9.0.1:

Fixed slowdowns in retrieving image information phase when comparing a lot of images.
VSDIF is about 200% faster on small projects and it could be over 5-10 times faster on big projects.
New and faster database format. Old databases are not supported.
Removed grayscale option. Grayscale duplicates are automatically detected.

Version 1.8.0.4:

VSDIF no longer asks to create a database if the selected scanning method is not visual scanning.
Fixed MD5 scanning issue introduced in previous version.

Version 1.8.0.3:

VSDIF is faster when comparing a lot of images.
Databases are now saved in local application data folder to be more compatible with Vista.

Version 1.8.0.2:

Changed the database file format. This fixes a problem adding new images to the database. You should recreate your databases.
Added Auto Skew detection option. Turn this option on if you want to compare images created with scanner. VSDIF will automatically rotate them.
Fixed changing the precision level didn't affect the scan until the program is restarted.
Changed the default process priority to lower. This helps you do some other work while the scan process is running.

Version 1.8.0.1:

Added support for custom databases with images. You can create databases to store the images information on the first scan and the next scans will use the information from the database. This speeds up a lot the process of retrieving images information and the whole scan.

Version 1.7.6.1:

Added option to select file cache location
Added 7-bit grayscale TIFF files support
Fixed performance issues

Version 1.7.5.1:

Fixed program crash after deleting files in groups
Added Adobe Photoshop (*.PSD) files support
Added ZIP compressed TIFF files support
Added 16-bit grayscale PNG files support

Version 1.7.1.2:

Fixed not closing file handles on retrieving images information

Version 1.7.1.1:

Added option to store the temporary images information in the memory or on the hard disk
Changed the project file extension and file association in explorer to *.vsdif

Version 1.7.0.1:

Added non-visual methods for comparing images by: MD5 hash, fast hash checksum and file size
Added option to select folder in which you can move the duplicate files
Added comparing method combo box and similarity spin edit in the toolbar
Added windows explorer shell integration for .vsd files
Added Default Settings button in the options dialog
The first duplicate in group is marked with 'F' after the checkbox
Keyboard shortcut 'U' unchecks all duplicates in the current group
Keyboard shortcut 'I' shows the visual compare preview window
With double click or with popup menu in the folders list you can include/exclude folder from auto marking duplicates in it
Fixed an issue not closing the file handle on manual stop the scanning process

Version 1.6.0.1:

You can now save/load projects (scan results)
Added option to auto mark duplicates with smaller file sizes regardless of their dimensions
Added option to detect negative duplicates
You can sort the duplicate list by columns
Duplicate files creation date/time is shown in the duplicates list
Image similarity (%) is shown in the duplicates list
Added resize method popup menu in the duplicate preview windows. Available methods are: None, Triangle, Hermite, Bell, BSpline, Lanczos3, Mitchell, Nearest, Linear, Fast Linear, Bilinear, Bicubic
Added Zoom In/Zoom Out in the preview window
Added button Delete Marked In Group which deletes the selected images in the current duplicate group only
When deleting duplicate files a progress form is shown.
Added option to minimize the main window to the system tray.
Added forward/backward navigation for the duplicate groups while in duplicate images list. The keys are "Left Arrow" or "B" for backward and "Right Arrow" or "F" for forward
Minor GUI changes. Changed some labels text. Updated help and internal image engine.
Fixed maximized main window position and state loading problem.

Version 1.3.0.1:

Core Improved: Added options to perform smart image comparing using grayscale. It is now possible to detect grayscale duplicates of images.
Core Improved: Added option to select the duplicate finding process precision level. See help for details
Core Improved: Tweaked memory usage. Now the program uses up to 50% less memory when comparing images. This fixes some issues comparing large number of image files.
Core Improved: The image comparing process is now executed in a separate thread, thus avoiding GUI lockups.
Core Improved: Code cleanup and optimization. The scanning process is about 5-10% faster.
Core Bug fix: Tweaked again the auto select duplicate routine.
Core Bug fix: Fixed loading images with extensions that differ from the actual image format, e.g. the extension is .jpg, but the file is in BMP format.
GUI Improved: The folder list is auto saved and auto loaded on next startup.
GUI Improved: The last folder from Add Folder dialog is auto saved and auto loaded on next startup.
GUI Improved: Program window position and state is auto saved and auto loaded on next startup.
GUI Improved: Minor GUI changes. Updated help.

Version 1.2.0.1:

Added command-line options (only in Corporate version). See main window help for details
Changed user interface so you can choose more than one folder to scan
Added options to perform smart image comparing using Rotate 90, Rotate 180, Rotate 270, Flip Horizontal and Flip Vertical methods
The scanning process is now about 20% faster
The default scanning process priority is now "Below Normal"
Added option to set the scanning process priority
Added option to scan folders recursively (in version 1.0.0.0 it was always ON)
Main window is now re sizable and adjustable with splitters
Preview window is now resizable
Rewritten the auto select duplicate routine
Other minor changes and fixes

Version 1.0.0.0:

First public release