Similar files

Unlike Gemini Classic, Gemini 2 filters out not only identical files but also those files that slightly differ from each other. They are called "similar files."

Duplicates vs. similars

Gemini analyzes items by comparing the exact lengths of the file data and a set of other file parameters. When the app detects absolutely identical files, it puts them in the All Duplicates category and offers to remove these files with Smart Cleanup.

If files slightly differ, Gemini puts them in the All Similars category and waits for your resolution. These files stay on your Mac until you choose to remove them.

Types of similar files

This category includes application files, all kinds of images, and audio files. For example, Gemini considers "similar" two photos made with a 2-second delay where an object and background are the same. This way, you can easily free up much more space on your Mac while keeping all unique files.

Note: Similar files aren’t selected for removal by default, but Gemini 2 may offer you to create a new Smart Selection rule that automatically adds these files to the cleanup list.

Disable scan for similars

If you'd like Gemini to focus on duplicates search only and exclude similar files from the scanning process, change Gemini's preferences:

  1. Open Gemini 2.
  2. Click on the Gemini 2 app menu in the upper-left corner of the display and choose Preferences.
  3. On the General tab, deselect the "Similar files" checkbox.
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