ツールを読み込み中...
Calculate musical intervals between two notes. Get interval name, semitone count, and consonance level. Supports reverse calculation.
Interval 計算機 is a free online 音楽 tool that works right in your browser — whatever you enter is processed locally and never sent to a server.
No installation, no signup; works on both phone and desktop, ready to use instantly.
We noticed most online tools upload your files to remote servers. Since privacy is our core principle, we built this tool to process everything locally in your browser.
はい、完全無料で登録不要です。
はい、モバイルブラウザでタッチ操作に対応しています。
音楽
Yes. Interval 計算機 is a pure front-end tool: whatever you type or paste is processed only in your browser's memory and never sent to a server. It disappears as soon as you refresh or close the page.
Privacy & Security: All processing happens locally in your browser. Files are never uploaded or stored.
Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.