コード識別・コード検索

音名を入力するだけでコードを即座に識別。

五線譜、ピアノ鍵盤、ギターダイアグラム付きの数百のコード図を閲覧できます。

コードを識別する

ルート音別コード一覧

スケール識別・スケール検索

音名を入力するだけでスケールを即座に識別。

五線譜、ピアノ鍵盤、ギターダイアグラム付きの数百のスケールを閲覧できます。

スケールを識別する

ルート音別スケール一覧

Explore ChordSpell

Frequently Asked Questions

What is a chord identifier?

A chord identifier is a tool that takes a set of musical notes and tells you the chord name, intervals, and inversions. ChordSpell lets you enter notes on a virtual keyboard and instantly see matching chords with staff notation, piano, and guitar diagrams.

How do I use ChordSpell to identify a chord?

Click "Identify a Chord", then select notes on the interactive keyboard or type note names (e.g. C, E, G). ChordSpell will display all matching chord names, their intervals, and visual diagrams you can use for study or reference.

Is ChordSpell free to use?

Yes. ChordSpell is completely free. The site is supported by non-intrusive advertising, which helps cover hosting costs and ongoing development.

What instruments does ChordSpell support?

ChordSpell provides diagrams for piano keyboard, guitar chord boxes, guitar fretboard patterns, and standard staff notation. Audio playback is available via built-in SoundFont synthesis.

Can I use ChordSpell to find scales?

Yes. The Scale Identifier lets you enter notes and instantly see matching scales. Each scale page includes notes, intervals, a piano keyboard diagram, a guitar fretboard pattern, and diatonic chords built from the scale.

What languages is ChordSpell available in?

ChordSpell is available in English, Spanish, Portuguese, and Japanese. Note names and chord/scale terminology are localized for each language.