← All Tools / Music

Chord Library

Browse and play any chord. Piano keyboard and guitar fretboard diagrams. View chord notes, intervals, and inversions. Audio playback for voicings.

Frequently Asked Questions

Is this tool free?

Yes, completely free with no signup required.

Can I use it on mobile?

Yes, it works on mobile browsers with touch support.

What category does this belong to?

Music

Related tools

Scale Finder Select a root note and scale type (major, minor, pentatonic, blues, etc.) to see scale notes and piano keyboard visualization. Piano Assistant Upload sheet music or Jianpu to generate a printable PDF guide showing exactly which keys to press on an 88-key piano, with finger numbers for each note. Runs entirely in your browser. Guitar Fretboard Visualize scales and chords on a guitar fretboard. 8 tuning presets including bass and ukulele. Note name, interval, and degree display modes. Virtual Piano Keyboard Playable virtual piano keyboard using mouse or keyboard keys. Supports recording short snippets and playback. Chord Progression Generator Generate chord progressions by key and style (pop, jazz, rock, classical). Play chords with audio preview and export as text. Chromatic Tuner Real-time chromatic tuner using microphone input. Displays note name and deviation in cents. Supports guitar, violin, ukulele, and piano modes. Ear Trainer Practice ear training with random intervals, chords, and scales. Guess the answer and track accuracy statistics with difficulty progression. Chord Analyzer Upload MIDI, MusicXML, or audio to analyze chord structure, detect key, and generate Roman numeral analysis. Chord progression timeline with composition details. All local.