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Duplicate Annihilator for Photos

Brattoo Propaganda Software · Finds duplicate photos in Apple Photos, groups detected items for review, and helps preserve the best-quality copy and associated metadata.

CaskPhotography and ImagesApple silicon · IntelDisabled
Homepage
From homebrew/cask
30-day installs8
1-year installs76Last 365 days
Latest version9.1.0Aug 30, 2023 · Aug 30, 2023
Download size1.1MBarm64 / x86_64 · php
Release cadenceWeekly0 releases in 30 days

Duplicate Annihilator for Photos is a Photography and Images app for Mac.

About

Duplicate Annihilator for Photos is a macOS application for finding duplicate photos in an Apple Photos library. It scans the library with multiple detection algorithms and places detected duplicates in an album so you can review them before deleting anything.

  • The developer describes the detection process as configurable for advanced users.
  • When comparing detected duplicates, the app selects a copy based on resolution, compression quality, and file format.
  • It copies metadata such as titles, captions, and keywords from duplicates to the retained original.
  • If a duplicate is used in an album, the app replaces it with the original to preserve album organization.

Install with brew install --cask duplicate-annihilator-for-photos. The app is designed for Apple Photos; the developer lists macOS 10.13–13.0 (Ventura) and Photos 1.5–8.x as system requirements. It is not the separate Duplicate Annihilator versions for iPhoto, Aperture, or iOS.

Official product information

New What’s new in 9.1.0 From Homebrew commits

This release has no separate notes.

See all 2 releases

Install and uninstall

Homebrew installs the app in your Applications folder.

Install without Homebrew

Download the same file Homebrew uses: brattoo.com/propaganda/downloadDap.php

Uninstall command
$ brew uninstall --cask \duplicate-annihilator-for-photos

A regular uninstall removes the app and keeps its settings and caches.

Deep clean (optional)
$ brew uninstall --zap --cask \duplicate-annihilator-for-photos

--zap also deletes the settings, caches and other files listed in the Homebrew definition. They can include data shared with other apps and cannot be restored, and it does not guarantee that nothing is left.See which files are removed

Facts and sources

Version 9.1.0
Recorded by Homebrew on Aug 30, 2023

Questions

Is Duplicate Annihilator for Photos safe?

Duplicate Annihilator for Photos is in Homebrew’s official catalog and has not been disabled. Since September 2026, Homebrew disables apps that fail macOS Gatekeeper checks. The download comes from brattoo.com; Homebrew does not verify a checksum for it. It was installed 8 times through Homebrew in the last 30 days.

How do I completely uninstall Duplicate Annihilator for Photos on a Mac?

Run brew uninstall --cask duplicate-annihilator-for-photos. It forgets 1 installer receipt. To delete its settings and caches as well, run brew uninstall --zap --cask duplicate-annihilator-for-photos. That also deletes 6 files and folders, including ~/Library/Application Support/Duplicate Annihilator Photos.

Does Duplicate Annihilator for Photos run on Apple silicon (M1 and later) Macs?

Homebrew installs it on both Apple silicon and Intel Macs, from the same download.

Where does Duplicate Annihilator for Photos store its settings and data?

Its settings are in ~/Library/Preferences/com.brattoo.annihilator-photos.plist. Its data is in ~/Library/Application Support/Duplicate Annihilator Photos. These locations come from Homebrew’s clean-up list.

What is the latest version of Duplicate Annihilator for Photos?

The latest version is 9.1.0, added to Homebrew on Aug 30, 2023. Run brew upgrade --cask duplicate-annihilator-for-photos to update it.