Music Library

Music topic hub

Free Online Music Tools

Tune an instrument, keep time, hear pitches, identify chords, and play virtual instruments directly in the browser.

Interactive browser tools

These pages work as standalone HTML. Sound is generated in the browser; microphone pitch detection requires a secure HTTPS page and permission from the visitor.

Online MetronomeFree browser metronome with tap tempo, accents, subdivisions, and quick presets from 60 to 160 BPM. Online Guitar & Bass TunerTune guitar or bass in your browser with microphone pitch detection, reference tones, and standard tuning guides. Virtual SynthesizerPlay a virtual synth keyboard in your browser, change waveforms, and use your computer keys to make notes. Alto and Tenor Clef NotesLearn alto clef and tenor clef notes with line and space tables, middle C positions, and reading exercises. Virtual Bass GuitarPlay standard bass guitar notes and fret positions online with a simple browser-based virtual bass. Piano Chord FinderChoose a root and chord quality to see the notes, formula, piano keys, and hear the chord. Virtual XylophonePlay a colorful browser xylophone with mouse, touch, or keyboard controls and learn the note layout. Circle of Fifths Printable ChartUse and print a complete circle of fifths chart with major keys, relative minors, key signatures, and chord relationships.

Suggested workflows

Tune, then practice

Start with the online tuner, choose a controlled speed in the metronome, and verify pitches with the virtual keyboard.

Identify a chord

Use the piano chord finder, then open the matching dictionary page for guitar shape, inversions, and theory.

Learn by ear

Play single tones on the synthesizer, bass, or xylophone and sing the note before checking the label.