Updates in Duplicate Cleaner v5.14 - 4th March 2022

• Added: Simplified Chinese translation
• Added: Updated Estonian language translation
• Added: .m2ts, .rm/.rmvb video support
• Added: Photoshop PSD image support (needs raw image support option checkmarked)
• Added: "Mark by Location" section to the Selection Assistant
• Added: Selection Assistant:"All but matching set in each group" mode
• Added: Custom similar audio settings
• Added: 'Find duplicates' sub-options to "Folders to Search" context menu.
• Added: New image metadata fields including subseconds, tags, rating and IPTC title/description
• Added: Keyboard shortcuts in Duplicate folders tab
• Added: Temporary space limit setting for zip/archive files
• Added: Disable Windows sleep while scanning
• FIX: Group background coloring including clearer banding
• FIX: Crash when changing Timespan tolerances
• FIX: Secondary locale settings are ignored
• FIX: Saving Selection Assistant settings.
• FIX: Files in long paths >260 are not reporting as being deleted (listed as -99 fails) (via WindowShell) even though they are deleted.
• FIX:The left and right arrows above the right sidebar of the image preview do not deactivate when the groups reach the end.
• FIX: Rotated images displaying at wrong size in thumbnail mode
• FIX:Duplicate filename+path within zip files causing delete operation to fail.
• FIX: Improved rotated image detection.
• Updated manual
• Many other fixes and improvements

Updates in Duplicate Cleaner v5.0.13 - 10th Sep 2021

• Image search - custom similarity setting
• Import CSV (with optional user added columns)
• Desktop added in folder tree
• Added-"drop folder tree" in Parent menu
• Added-"protect/unprotect" in Parent menu
• Smooth scrolling and updating added as option (on by default)
• Save scan - show last loaded name in save box
• Filter to selected rows
• Filter by protected files
• Fix-Checkbox doubleclick opens files
• Fix-Recalculate group shading when filtered
• Fix-Selection highlight colour changes depending on group background colour
• Fix-Image preview - keyboard F4 to close
• Fix-Text matching SelAsst operations fail on Numeric columns
• Fix-Re-filtering in tile mode doesnt work
• Installer DotNet framework >=4.7.2 check
• Hungarian and Slovak translations updated.
• Manual updated

Updates in Duplicate Cleaner v5.0 - 6th Aug 2021

• Major new release!
• New: video mode - match video files by content (video, audio or both) and metadata.
• New: Wizards - get a quick start on preset scan types
• New: Themes. Great new UI with light and dark themes. Create your own.
• New: Load and save scans - save the complete results or just the settings.
• New: Create your own offline 'virtual folders' to scan against - no need for the original drive/network share to be present.
• New: Tools - Handy standalone tools for jobs such as removing empty folders and viewing and comparing file hashes.
• New search criteria - in depth folder name and drive name matching
• Support for more formats including HEIC images and RAR archives
• Many other improvements - preview video files, improved Selection Assistant, more list filtering, new hash types, group images by similar time taken.

Updates in Duplicate Cleaner v4.1.4 - 30th Jan 2020

• Translation update and fixes
• Command line license key registration implemented for version 4.x installer (-register="00000-00000-00000-00000-000000" flag)
• Bugfix: Not matching first folders in root in 'Same folder name'

Updates in Duplicate Cleaner v4.1.3 - 28th Oct 2019

• Updates and improvements to Camera RAW Image support
• Improvements to the updating of the Duplicate Folder list after removing files
• Bugfix: Error messages on starting (Path/Folder tree)
• Language updates
• Installer tweaks

Updates in Duplicate Cleaner v4.1.2 - 21st May 2019

• Move/Copy via Windows Shell now optional
• Improvements for users with High-Contrast themes
• A few other minor tweaks

Updates in Duplicate Cleaner v4.1.1 - 4th Dec 2018

• Can now read metadata from Camera RAW Images (Scanning and preview)
• Option to use embedded preview when scanning Camera RAW Images [Faster]
• Improvements & fixes to Image Preview window
• New list filters: Addded file type groupings & improved file filter editor
• Added .jpe file extension support
• New Criteria - Ignore duplicate groups within same folder (Duplicates in different folders only)
• Thumbnail mode now supports RAW Images (Uses embedded JPG)
• Keyboard shortcut for Find window: 'Find next' [CTRL-N]
• Selected rows now retained upon sorting list
• Added option to turn off duplicate list tooltips
• Added command line switch to skip loading of folders from profile [/nf]
• Bugfix - Removed extra comma on end of CSV export
• Bugfix - Bug loading 4.0.5 and earlier profiles into 4.1.0
• Bugfix - Current line moves to top of list after marking with Image Preview
• Bugfix - Image mode - 'Exact match' not working for RAW Images
• Other Misc fixes

Updates in Duplicate Cleaner v4.1.0 - 14th Nov 2017

• New comparison mode: Similar Audio
• View the Duplicate list by grouped and thumbnail views. Thumbnails can show images and audio file artwork
• Unique mode improvements for drive/folder comparison projects
• Selection Assistant option: Work on unmarked groups only.
• Selection Assistant improvements for 'All but one in each group' (Utilize existing marks, prefer longer file names)
• Improved file-information pop-ups (hover over file name in list)
• Saved file filters can now be combined
• Improved checks to for initial folders mapping to the same location
• Duplicate folder list column widths saved
• Various other fixes

Updates in Duplicate Cleaner v4.0.5 - 4th May 2017

• Alternative delete method added (Non-windows shell based)
• Bugfix: Crash if criteria date less than 2038 or greater than 1901
• Bugfix: Incorrect saving of font option in certain locales (Strikethru issue)
• Bugfix: Crash on some systems due to application instance checking in .NET Framework
• Bugfix: Copyitem error when attempting to move/copy deleted files
• Various other minor fixes
• Improvements made to installer/uninstaller

Updates in Duplicate Cleaner v4.0.4 - 4th Jan 2017

• Image mode - 100% Exact pixels comparison mode added
• Image Preview - various improvements including selectable thumbnail size/ratio
• Overwrite/Rename option for Move/Copy function
• Improved 'Find in list' functionality : selectable search columns
• Improved layout for High-DPI/Large font/4K displays
• Improved group ordering
• Refresh list (check files) operation now background threaded
• Bugfix - Database not found when using network UNC based profile location
• Bufgix - Hard linking on read-only files leaves temp files
• Bufgix - slow down when cycling through files with Image Preview window open
• Bugfix - Removed group-related filters on unique tab
• Bugfix - List position changes when marking and current position >50000
• Other bugfixes

Updates in Duplicate Cleaner v4.0.3 - 18th August 2016

• Drive group view in path scan list
• Hash cache improvements

Updates in Duplicate Cleaner v4.0.2 - 4th August 2016

• Support for RAW camera image formats
• Support for High-DPI and large font displays
• Audio data only comparison mode
• Progress indicator when frontloading files to delete/move
• Bugfixes: Windows Vista crash, Windows 8/10 hardlinking, other minor fixes.

Updates in Duplicate Cleaner v4.0.1 - 23rd May 2016

• Database issue fixes
• CSV import issue fixed
• Adding folders from command line issue resolved
• License issue fixes

Updates in Duplicate Cleaner v4.0.0 - 3rd May 2016

• Updated GUI
• Find unique files functionality
• Match by same file extension
• Match by same folder name (full path or to a specified depth)
• Size matching tolerance
• Date matching tolerance
• Exclude filter can now work on folder names
• Flag input folder(s) as a Master - Only files which duplicate the ones in the Master will be listed
• Flag input folder(s) as Protected - you can't mark or remove from a protected folder
• Image Mode - Match by tags (Digitised dates, comments, ImageUniqueID, etc)
• Image Mode - Match by closest distance (for geotagged images)
• Audio Mode - Match by more tags including TrackNo, year, genre, comment, AmazonID, MusicBrainzID, AcoustID, etc
• Selection Assistant - Undo last selection
• "Search within list" feature
• Hash Caching - speeds up repeat searches
• Now uses the windows file engine for deletion, etc - gives more feedback and is much faster
• .NET Framework 4.5 support
• Many other fixes and optimizations.

Updates in Duplicate Cleaner v3.2.7

• Scroll lock key support in main list.
• User-definable database location via ini file
• File discovery speed improved (Esp. NAS/Network drive)
• Send license to program via installer (-register="00000-00000-00000-00000-000000" flag)
• Bugfix: Arithmetic overflow error during scan.
• Bugfix: Crash when moving mouse over list [Tooltip]
• Bugfix: Move image preview window on back screen if outside bounds
• Bugfix: Splash screen exception if system busy.
• Other minor fixes

Updates in Duplicate Cleaner v3.2.6

• Program closedown speed improved.
• Duplicate folders view: Now shows files from zip archives in list [Pro]
• Duplicate folders count now shown in completion dialog [Pro]
• Can now load .dc Profile from send-to menu / double click in explorer [Pro]
• Bugfix: Network drive selector issues [Pro]
• Bugfix: Scan complete dialog hidden behind main window
• Bugfix: Select by location bug when missing trailing backslash
• Bugfix: Duplicate folder export CSV - text fields now quoted [Pro]
• Other minor fixes

Updates in Duplicate Cleaner v3.2.5

• New function to export Duplicate Folders list (from File menu)
• Updated keyboard shortcuts: Enter/Return to execute file, Menu key or Shift-F10 for context menu.
• Image viewer - window size/location is now saved.
• Image viewer - F11 toggles maximized window
• (Bugfix) Creating Hard links from locked files fails with temporary files left over.
• (Bugfix) Invalid (non-Windows) filename characters cause scan to halt.
• Other minor fixes
• 臺灣中文 Taiwanese Chinese language support

Updates in Duplicate Cleaner v3.2.4

• Added button to delete custom file type filters
• Language and localization updates and fixes
• Other minor fixes

Updates in Duplicate Cleaner v3.2.3

• Russian, Armenian language support
• Similar image comparison improved, including rotated images
• (Bugfix) Don't Scan against self - Image Mode issue - resolved.
• (Bugfix) Read-only files will now delete in non-recycle mode
• (Bugfix) SQL Logic Error while scanning in similar file mode - resolved.

Updates in Duplicate Cleaner v3.2.2

• Network view in path browser (Pro)
• Displaying the results of the last scan on startup now optional
• Hard linking now available for non-exact duplicate files (e.g. Images, music). Use with care!
• Audio data content comparison performance improved
• Issues with Move/Copying files with long pathnames - resolved.
• Include .aac files in audio mode scan
• Image mode scan finding nothing on second scan (cache issue) - Fixed

Updates in Duplicate Cleaner v3.2.1

• Italian language support updated
• [Scan Engine] Bugfix: Error adding file to SQL transaction (ignore file extensions option)
• [Scan Engine] Bugfix: Duplicate image scan returning non-duplicate images in some cases [64 bit only]
• [Misc] Bugfix: Export CSV Issue - (Null Error)
• [Duplicate Files View] Bugfix: Files view showing Display Error

Updates in Duplicate Cleaner v3.2.0

• [Misc] 64 Bit Integration
• [Duplicate Folders View] Can now multi-select folders for Marking/Expansion in Duplicate Folders view
• [Selection Assistant] Fixed issues with Underscore character in 'Select by text' and filtering
• [Duplicate Folders View] 'Unmark folder' context option now provided
• [Duplicate Files View] Contextmenu – more keyboard shortcuts (ie F6 copy Path/name)
• [Duplicate Files View] Bugfix: Rename doesn't cancel when hitting esc/moving cells
• [Duplicate Files View] Bugfix: 'Rename' disappears when clicking in blank space
• [Criteria] Bugfix: Don't allow blanks in min/max filesize
• 'Refresh Folders' button now updates for removed folders/files
• Bugfix: Duplicate Folder detection improved

Updates in Duplicate Cleaner v3.1.6

• Displays tooltips for truncated fields in list
• Sorting now clears selected rows
• Select by Location efficiency fixes
• Select by Location (from window) now preserves (unmarks) files within the selected folder/tree
• Installer "Start In" location changed to user folder

Updates in Duplicate Cleaner v3.1.5

• Dutch language support updated (Courtesy Fred van Waard)
• Bugfix: Error saving/loading date based settings with some system setups
• Bugfix: Select by Text Pattern: Regex/Whole column option works again
• Bugfix: CSV Import fixes for importing from v3.0.0-3.0.9
• Bugfix: 'License Invalid' issue
• Bugfix: Zip Move/Copy fails on some files issue
• Bugfix: Zip scan-long filename popup

Updates in Duplicate Cleaner v3.1.4

• Memory optimizations
• Now displays sizes in Terrabytes where appropriate
• 'Group 0' issues fixed
• Useful error message if problems with licensing library
• Ping noise on scan completion
• Selected tab colour desubtlerized
• Codebases of Free and Pro aligned
• bugfix '124' move file display popup removed

Updates in Duplicate Cleaner Pro v3.1.3

• -Added 'Exclude Path' to right-click path selection menu
• -New option to ignore file extension in same/similar filename criteria
• -SHA-512 Hashing added
• -'View log file' added to View menu
• -Bugfix: Settings save issue
• -BugFix: Prevent zip files with long path names throwing error
• -BugFix: Minor criteria display issue

Updates in Duplicate Cleaner Pro v3.1.2

• -Installer and Executable now digitally signed
• -Long path name (>260) support (file scanning - Standard mode only)
• -Long path name support (delete *NOT Recycle - Recycler doesn't support long paths*)
• -Long path name support (rename,copy,move)
• -Efficiency fix - File checkbox
• -Efficiency fix - 'Mark all selected'
• -Efficiency fix - 'Mark by longest/shortest path name'
• -Bugfix: Icon now shown for files with no extension

Updates in Duplicate Cleaner Pro v3.1.1

• Case sensitivity in filter/comparison fixes
• Efficiency tweaks

Updates in Duplicate Cleaner Pro v3.1.0

• -Major engine update, now database driven.
• -Session along with duplicate file/folder list and marks is retained upon exiting/starting the app
• -Filter the list by Marked/not marked files and groups
• -Filter the list by Path, group or filetype
• -Duplicate folder tree has marked folders indicated - is synced with file list
• -Columns in duplicate folder tree
• -Hide/Show list columns (right click on header)
• -File and folder icons shown in list
• -Command line switches supported, for automation of scans. (See manual for commands)
• -Various bugfixes and tweaks
• Brazil-Portuguese and Turkish language support added

Updates in Duplicate Cleaner Pro v3.0.9

• New 3.0 manual added, with contextual help buttons.
• Clickable folder navigation in Duplicate Folder files browser
• New keyboard Shortcuts: CTRL-A :Add Path, F1 Help
• Bugfix: List population error with ignored hardlinks
• Bugfix: 'Jump to containing' option visible on root nodes
• Bugfix: File deletion memory/performance adjustments  

Updates in Duplicate Cleaner Pro v3.0.8

• 'Same Resolution' image comparison option
• Italian language added
• Bugfix: List population error
• Bugfix: Incorrect filetimes returned in list with some files.
• Bugfix: Other minor fixes.

Updates in Duplicate Cleaner Pro v3.0.7

• Dutch language support added
• Copy and Move files from Zip archives
• All file removal/change operations are now logged in the log file (when enabled)
• Option to limit number of Duplicate files found in a scan
• Thumbnails can be turned off in image viewer
• Bugfix: Deals more usefully with unhandled problems - Eg. Missing/damaged Windows Fonts
• Bugfix: Image viewer refresh + speed
• Bugfix: Displayed total scanned size inside zip files corrected
• Bugfix: Zip files in path list
• Bugfix: zip files are no longer shown in duplicate list if they are also being scanned internally
• Bugfix: Other general zip file handling fixes & messages
• Bugfix: Localization fix
• Bugfix: Listview memory efficiency
• Bugfix: Other minor fixes.

Updates in Duplicate Cleaner Pro v3.0.6

• Updated Image viewer - efficiency fixes and new 'Fit Image' behaviour
• Automatically (silently) check for updates on startup (can turn off in options)
• Installer checks for running process before upgrading
• Bugfix: Scan window minimize behavior
• Bugfix: "Ignore Hardlinks" option
• Bugfix: "Don't Follow Junctions/Mountpoints" option
• Bugfix: Error when deleting files from imported CSV list.
• Bugfix: Refresh button not dropping missing files correctly
• Bugfix: Undesirable behaviour fixed when using # and [ in Select by Text Pattern

Updates in Duplicate Cleaner Pro v3.0.5

• - New context menu for path tree
• -'About' dialog now doesn't pop-up by default for new installs
• -Search Criteria page can now scroll to allow for small displays
• -Bugfix: Show large size folders int overflow issue in duplicate folder view
• -Bugfix: 'Root' search folders now compared in duplicate folder view
• -Bugfix: Image viewer: Image size in main picture doesn't update
• -Bugfix: Min/Max file sizes - was ignoring values after comma
• -Bugfix: Correct control scaling when using windows in large font mode
• -Bugfix: Path tree node icons
• -Bugfix: Incorrectly protecting paths like 'C:\Program Files (copy)'

Updates in Duplicate Cleaner Pro v3.0.4

• -Minor bugfixes
• -French Language
• -German Language

Updates in Duplicate Cleaner Pro v3.0.3

• -Bugfix: Audio tag comparison issue

Updates in Duplicate Cleaner Pro v3.0.2

• -Bugfix: int32 overflow when building duplicate tree
• -Bugfix: Buy Now link goes to old page
• -Bugfix: Image Browser: images get jumbled when changing to new group while still drawing.

Updates in Duplicate Cleaner Pro v3.0.1

• -Bugfix: No Zero size kb count after deletion

Updates in Duplicate Cleaner Pro v3.0.0

• -First release of Duplicate Cleaner Pro

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Duplicate Cleaner Free (Earlier Releases pre 3.1.4)

Updates in Duplicate Cleaner Free Version 3.0.1

• -New 3.0 manual added, with contextual help buttons.
• -All file removal/change operations are now logged in the log file (when enabled)
• -Option to limit number of Duplicate files found in a scan
• -Thumbnails can be turned off in image viewer
• -New keyboard Shortcuts added.
• -Select by Location: Copy selected path button added
• -Bugfix: Incorrect filetimes returned in list with some files.
• -Bugfix: Image viewer refresh + speed
• -Bugfix: Localization fix
• -Bugfix: File deletion memory/performance adjustments
• -Bugfix: Other minor fixes.

Updates in Duplicate Cleaner Free Version 3.0.0

• New interface
• Engine updates
• Update checker
• Updated selection assistant

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Updates in Duplicate Cleaner Free Version 2.1.0

• Support for six more languages added
• List Marked count bugfix
• Will now run in Windows 2000, though audio-tag reading is disabled.
• Error loading column widths fixed.
• When Moving/Copying file it will rename upon collision rather than overwriting.
• Fixed missing localisation 'Include/Exclude'
• Engine update - Faster scanning of large datasets
• Fixed 'Overflow' issue during scanning of large datasets.

Updates in Version 2.0.6

• Delete operations fixes (Will remove read-only, etc)
• Removal operations multi-threading
• Folder browser list now sorted alphabetically
• Other Bugfixes.
• Japanese language added

Updates in Version 2.0.5

• Updated GUI multi-threading
• Localisation fixes
• Improved Date Modified/Created matching (ignores milliseconds)
• Pop-up error log for file removal processes
• Various Bugfixes
• 8 new Languages added

Updates in Version 2.0.4  (First public release of 2.0.x series)

• Fully Unicode Compatible
• Exclude from search by pattern
• Move or Copy duplicate files
• Rename duplicate files
• Save document search types
• Match by Date Created/Modified
• Byte-by-Byte / SHA1 / MD5 hashing options
• Search between dates modifed or created
• Fuzzy matching on Filenames and Audio tags
• Read image tags
• Don’t follow Junctions/Mountpoints option
• Automatic row re-colouring on sort
• Edit list row colours/font
• New folder picker
• New Right click marking/unmarking options
• Drop selected /marked files from list
• Enhanced Import and Export (now includes marked state of row)
• Export selected rows or all rows
• Select by pattern on any column, with regular expression support
• Updated Selection assistant
• Selection assistant can be limited to selected range
• Select by Dates Created/Modified
• Quick Column Views - show/hide columns in pre-set combinations
• Portable settings file (no registry)

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Updates in Version 1.4.7

• Will not follow NTFS reparse points (Junctions and Mountpoints)
• Listview fill optimization
• Removed non-localized tooltips
• API filenames tweaks
• Turkish Language support +1 other.

Updates in Version 1.4.6

• Installer Update

Updates in Version 1.4.5

• Fixed bug in CSV Import/Export
• Updated File type list
• Updated Splash
• Arabic language support added.

Updates in Version 1.4.4

• Fixed bug in column sorting (hard links, song length, bit rate)
• Fixed bug in selection tool (select by bit rate)
• Updated file drag icon.

Updates in Version 1.4.3

• 'Duplicate content detection now uses more accurate MD5 Hashing by default.
• Now supports M4A and M4P audio files (Apple iTunes/iPod)
• Delete/Move/Hardlink Progress Bar
• Delete/Move/Hardlink suppress system error pop-ups
• Progress barwhen populating duplicate list
• Automatically Resizing Search path panes
• Added Select path button (was removed in 1.2)
• Now supports PNG, PCX and TGA image files in preview window
• Image preview window is cleared upon clicking on non-image file
• Look and feel adjustments, new icons
• Fixed bug that caused text to be blank if current language file moved/missing
• No longer uses ActiveX AudioGenie, uses a faster DLL version.
• Fixed filename overwrite bug
• Fixed group warning messagebox overflow
• Already deleted files are removed from list during delete operation, and no error is generated.
• CTRL-A to select all rows on duplicate list
• F5 will refresh the duplicate list and remove any moved/deleted or orphaned files from the list.
• Column re-order allowed on duplicate list
• Protects 32-bit (x86) Program Files folder on 64-bit system
• Image preview button toggles show/hide image preview window
• Scanning window stays hidden until ready to go.
• Select folder button localized tooltip
• Cancel during duplicate scan will display files matched so far
• Italian language support added.

Updates in Version 1.3.2

• 'Check for Updates' Link updated.

Updates in Version 1.3.1

• Language defaults to English on first run.

Updates in Version 1.3

• Localized language support
• XP control Styles.
• Updated folder tree type interface
• Drag/drop folders from explorer
• Display/Ignore hardlinked files
• Unhardlink files
• Export all files to CSV
• Rename files
• Invert Selection
• Select by master folder
• Date sort bug fixed
• Protect DLL/EXE files
• Remove empty folders
• Hide orphaned groups
• Two colour scheme in dupe list
• Remember column widths in dupe list
• Confirm on exit

Updates in Version 1.2

• Image Preview Window for JPG/BMP/GIF/ICO pictures
• Move duplicate files to new folder
• Create Hard Links to duplicate files
• Select multiple items in list
• Import CSV files
• Minor bug fixes

Updates in Version 1.1

• CRC Scanning optimized improved memory footprint
• Multiple folder scans
• Multiple speed optimizations can run up to 10 times faster.
• Specify file size range
• Faster support for more music formats & improved music search.
• Tabbed interface

Version 1.0

• Initial release