Removing duplicate photos on macOS - Free Software - Duplicate Cleaner X

Duplicate Cleaner X is the best among several others that I tried.

• Simple interface.
• Scan sub-folders and cross match.
• Quick scan. (2GB took only minutes)
• Auto-select for files deletion.
• Works for external HDDs.

Application Icon

Application main screen - Duplicate Cleaner X ver. 2.0

Reviewed on macOS Catalina ver 10.15.4.