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Piano Chord Dictionary

Look up piano chords with interactive keyboard diagrams. See highlighted keys, note names, and intervals for any chord. Play chords directly in your browser.

C Major

Notes: C – E – G

C3D3E3F3G3A3B3C4D4E4F4G4A4B4C♯D♯F♯G♯A♯C♯D♯F♯G♯A♯
Root Note
Chord Tone

Intervals

C (Root)E (Major 3rd)G (Perfect 5th)

Common Chord Progressions

I - IV - V - I

ii - V - I (Jazz)

I - V - vi - IV (Pop)

I - vi - IV - V (50s)

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About Piano Chord Dictionary

Use the Piano Chord Dictionary to accomplish your task quickly and efficiently right in your browser. This tool runs entirely client-side — no file uploads, no server processing, and no account required. Your data stays on your device for complete privacy.

How to Use

  1. Open the tool and provide the required input (text, file, or data).
  2. Configure any available settings to match your needs.
  3. Click the action button to process your request.
  4. View, copy, or download the results.

Frequently Asked Questions

Is the Piano Chord Dictionary free to use?
Yes, completely free with no hidden costs, no subscriptions, and no usage limits. Use it as often as you need.
Do I need to create an account?
No. The tool works immediately — no sign-up, no email address, and no personal information required.
Is my data private and secure?
Yes. All processing happens in your browser using JavaScript. No data is uploaded to any server. Your input and output stay entirely on your device.
Does this work on mobile devices?
Yes. The tool is fully responsive and works on smartphones, tablets, and desktop computers with any modern web browser.

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