A professional producer workbench in your browser. Built on Essentia WASM and Web Audio: detect BPM and key, explore chord progressions, estimate royalties, and change speed and pitch independently—all processed locally with zero cloud upload
No heavy third-party player required—pure WebAudio synthesis with real-time waveforms. Audition test signals and Lissajous patterns
Multi-position guitar fretboard and keyboard mode visualization. Explore pentatonic, Dorian, Phrygian modes and chord-tone mapping instantly
SPEC // 30+ scales · capo simulation · MIDI output
Browser-local WebGPU-accelerated 4-stem separation model. Extract vocals, drums, bass, and accompaniment losslessly
SPEC // Zero-Cloud · 4-Stems · WebGPU/ONNX
High-sensitivity transient detection on waveforms. One-click slice export as drum mapping packs
SPEC // Transient alignment · zero-crossing trim · WAV export
Drag generated chord progressions directly into Ableton Live, FL Studio, or Logic Pro as .mid files
SPEC // Type 0/1 MIDI · velocity tweak · tempo mapping
Audio creators value unpublished work confidentiality and instant workflow. Musitools uses Essentia.js WASM and Web Audio API—all audio is parsed on your machine CPU/memory with zero bytes uploaded and no leak risk