How does it decide two files are duplicates?

By hashing their contents, so matches are genuine duplicates regardless of name, date or location — and a file that merely looks similar is not flagged.

What happens to the copies I remove?

They go to a restorable trash folder rather than being deleted outright, so you can put them back if you change your mind.

Find Duplicate Files

Find files that are byte-for-byte identical and reclaim the space they waste. Hashing runs in your browser, so nothing about your files is uploaded.

Runs entirely in your browser — your file is never uploaded.

Questions

How does it decide two files are duplicates?: By hashing their contents, so matches are genuine duplicates regardless of name, date or location — and a file that merely looks similar is not flagged.
What happens to the copies I remove?: They go to a restorable trash folder rather than being deleted outright, so you can put them back if you change your mind.

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