Freeware Guide R A R E W A R E

Dup Detector

Version: 3.201
Author: William L. Hunt (Prismatic Software)
Release: February 7, 2005
OS: Windows XP / 2000 / NT4 / Me / 98 / 95


Duplicate images often find their way into collections, even commercial stock collections. Now you can clean them of duplicates and near duplicates. Search a folder (including subfolders) for duplicate and near duplicate images. Match all images or restrict match to same size or same aspect ratio. Dup Detector creates a data file by opening and reading image pixel data for each image in your collection. It then finds duplicates by % match and displays matching pairs from a log file. You may delete a duplicate at any time.
Supports 9 image file formats (jpg, bmp, png, tif, pcx, tga, wmf, emf, psp).
This freeware version requires all images to be in one folder (or subfolders).
(MFC42.dll must exist on your system)

The main screen has four (4) tabs: (1) Method, (2) Get data, (3) Find dups, and (4) View dups. First select the Method, whether you want to find dups in a single image collection, between two collections or just compare a single image to all images in a collection. Second Get data by opening an already built image data file or by building one now. Third Find dups by setting the percentage match required to be considered a duplicate and setting the (or changing the default) setup criteria and restrictions (if any), and lastly View dups to scroll through the found matching image pairs. You may delete images at this time. Deleting can be done manually, semi-automatically or in full automatic mode.

Dup Detector Home ( (closed as of 5/28/06)

Download Dup Detector 3.201+ (732 kB)

Download Dup Detector 3.201 (599 kB)

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