ToneCipher is an intelligent Music Key Finder that analyzes uploaded audio files to identify the musical key, correlations, and alternative keys. Designed for musicians, producers, and enthusiasts, it offers a streamlined way to uncover the musical essence of any track.

separates audio from songs into stems (vocals, instruments), transposes music, changes tempo, detects music key, operates on music from youtube video or local file

Rust binding to the libkeyfinder library

Chrome 拡張機能として再生中音声を録音し、Essentia.js を使ってキーとBPMを推定します。