fclones

Utilizes multiple CPU cores to scan files concurrently, significantly speeding up duplicate detection on large datasets, as emphasized in its performance features.

Implements streaming hashing and intelligent caching to handle millions of files with minimal RAM usage, ensuring low memory footprint even for extensive collections.

Supports flexible criteria for selecting duplicates, allowing precise control over which files to keep or remove based on attributes like size or path.

Works consistently across Windows, Linux, and macOS, providing dependable operation in diverse system environments without compatibility issues.