Your music toolkit.

Eight free tools that run in your browser. No account, no upload — your files never leave your device.

Get tempo, key, Camelot code, and DAW delay times in one drop.

02 Key Finder Know what key a sample is in before you build around it. Find key → 03 Vocal Remover Pull out the vocals from any stereo mix. Download the instrumental. Remove vocals → 04 Metronome Tap tempo, time signatures, subdivisions. Stable — no drift. Open metronome → 05 Pitch Shifter Transpose a track up or down by up to an octave. Export as WAV. Shift pitch → 06 Speed Changer Slow down or speed up any track without changing the pitch. Change speed → 07 Frequency Analyzer See the frequency spectrum of any track — or plug in your mic for a live view. Analyze → 08 Chord Progression Build diatonic progressions in any key and mode. Play them back instantly. Build chords → 09 Tuner Tune your guitar, bass or any instrument by ear through your mic. Open tuner →