/ Free online tool / Duplicate sample finder
Drop a folder.
Find the duplicates.
Every file is fingerprinted in your browser. We find the exact and near-identical copies, then hand back a script or move them automatically to quarantine the redundant ones. Nothing leaves your machine.
/ Strictness
Click or drop a folder.
WAV, AIFF, MP3, FLAC, OGG, M4A, AAC
Browser tabs decode audio slowly. Best for up to a few thousand files. Download the desktop app for full performance.
/ Method
How the duplicate finder
works.
The same dedup engine the desktop app runs against your full library, in your browser. After the cleanup, find the sounds worth keeping in your library.
/ 01 / Local fingerprint
Every file is fingerprinted in your browser. A short hex string captures what the audio sounds like, not its filename or its bytes. The file never leaves your machine.
/ 02 / Two-tier clustering
Fingerprints that match exactly are grouped first. Then we compare the remaining ones bit-by-bit and group those within a small distance: re-renders, bit-depth variants, and clean trims of the same source.
/ 03 / Keeper selection
Inside each cluster we pick the version most worth keeping. Lossless wins over MP3, higher bit-depth wins, paths with copy or (1) get penalised. The keeper is never touched.
/ 04 / Trash
Cleanup sends redundant copies to your system Trash / Recycle Bin. Restore from Finder or Explorer if you change your mind. Files are never deleted permanently.
/ Across your library
From one folder
to fifty thousand.
Browser tabs are slow past a few thousand files. The desktop app runs the same pass natively across your whole drive plus key, tempo, brightness, stereo width, and ~40 other features.