Know every track before you play it.

The kluc finds the key, BPM and energy of your tracks, shows whether a "lossless" file is really lossless, and evens out loudness with a true-peak limiter. It runs on your Mac – your music never leaves it.

Buy the kluc20 € · one person · two Macs · no subscription

Key

Camelot and musical key from our own neural network, with intro and outro keys for harmonic mixing.

BPM & energy

Tempo with genre ranges for club, drum & bass and hip-hop, and an energy level from 1 to 10.

Real quality

A full-track spectrogram, the true cutoff, and a check for MP3s hidden in FLAC or WAV files.

Loudness

EBU R128 loudness, true-peak limiting, clipped-peak repair and optional retuning to A = 440 Hz.

Download

Mac with Apple silicon. Try it free on 20 tracks, then enter your license key.

Download for Mac The download link will be added before release.