The product is discontinued by the developer

The Duplicate Finder

Free The Duplicate Finder offers to identify duplicate and similar files.
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Used by 338 people
Awards: Mac Informer Editor Rating 4
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As the application's name clearly suggests, The Duplicate Finder offers to identify duplicate and similar files. Once they are found, they can be easily removed directly from the program’s interface so that you can gain valuable disk space.

The tool opens with a very simple and straightforward interface that asks you to browse for computer drives to scan or to drop the folders you want to check for duplicates. Before enabling the scan process, it is advisable to access the Preferences menu in order to configure several settings meant to help you in the attempt of finding duplicates. This way, you can set the program to start scanning automatically for similar files once source folders have been imported, or you can enable or disable the preview of identified items, and set warning messages that will prevent you from removing duplicates unless you check them twice. Yet, what is great about this tool is that you can define exclusion rules to skip specific folders during the scan and to exclude from the search files with lower and larger sizes than those of the given values. For most accurate results, you can consider scanning only specific file extensions.

Once the settings are configured according to your needs, you can start scanning the selected folders. When the process ends, the program sorts the identified duplicates into size-related categories automatically. Next, you can apply additional filters to sort the results by name, size, and selected items, in ascending or descending order. If the preview option has been set, you have the chance to check each file individually, so that you can determine which items to delete.

In short, this application offers a convenient way to identify duplicate files and remove the items you no longer need. This way, you will benefit from an uncluttered and faster operating system, while leaving room for other items.

ID Senior editor
Ioana Dumitrescu
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Review summary


  • Scans multiple folders for duplicates at once
  • Allows you to preview the results
  • Allows for exception rules
  • Duplicate filters


  • Doesn't sort the results by file type (video, audio, document, photo, archive, etc.)


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