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100% Free — No Sign-Up Required

Your Complete Music Studio
In the Browser

Play instruments, tune your gear, explore chords, and master music theory — all in one free, lightning-fast web app.

Play PianoPlay GuitarAll Tools

Virtual Instruments

Play, Practice, Create

Virtual Piano

Full 88-key keyboard with sustain pedal, octave controls, and computer key bindings.

Virtual Guitar

Interactive fretboard with multiple tunings. Click any fret to hear the note.

Ukulele

Four strings of fun. Learn chords and strum along to your favorite songs.

Bass Guitar

Lay down the groove with our 4-string bass simulator.

Drum Kit

Full drum kit with kick, snare, hi-hat, toms, and cymbals. Play with keyboard or touch.

Metronome

Precision beat keeper with Web Audio timing. Custom tempo, time signatures, and visual cues.

Utility Tools

Everything You Need to Practice

Instrument Tuner

Use your microphone to tune any instrument with high precision.

BPM Tapper

Tap along to find the tempo of any song instantly.

Transpose Tool

Transpose chords and notes to any key instantly.

Note Frequency Chart

Interactive Hz-to-note reference for all 88 keys.

Chord Library

Explore every chord across all 12 keys with diagrams.

Scale Explorer

Visualize major, minor, pentatonic, and exotic scales.

Flagship Feature

Find Songs by Chord Progression

Select any 2-4 chords and instantly discover every song that uses them. Play the progression on piano or guitar with one click.

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Browse Matching Songs

Music Theory

Learn the Language of Music

Scales

Major, minor, pentatonic, blues, and exotic scales.

Chords

Comprehensive chord library with audio playback.

Theory Guides

Intervals, keys, circle of fifths, and more.

Song Library

Explore songs by chord progression and key.

The Ultimate Online Music Studio — Free and in Your Browser

Welcome to Play Music Online, the most comprehensive free suite of virtual instruments and music tools on the web. Whether you're a complete beginner learning your first chord or a seasoned musician practicing on the go, our platform delivers everything you need — no downloads, no sign-ups, no limitations.

Built on modern Web Audio API technology, every instrument responds with sub-millisecond latency. Our Virtual Piano gives you a full 88-key keyboard with realistic triangle-wave synthesis, sustain pedal emulation, and full computer keyboard mapping. The Virtual Guitar offers an interactive fretboard with standard, drop-D, and open tunings — click any fret to hear the note ring out.

Beyond instruments, our Online Metronome uses hardware-accurate audio clock scheduling for precision timing. The Chromatic Tuner turns your microphone into a professional pitch detection tool. Our Chord Library and Scale Explorer cover every key with visual diagrams and instant audio playback.

Why Musicians Choose Play Music Online

Most free music tools online are either outdated (some haven't been updated since 2008), cluttered with intrusive ads, or locked behind paywalls. We built this platform from the ground up with Astro's static site architecture for lightning-fast load times, Tailwind CSS v4 for a premium dark-glass design, and Web Audio API for professional-grade sound — all completely free.

Our flagship Chord DNA search engine lets you find songs by chord progression. Select any combination of chords and instantly see every matching song in our growing database — with one-click playback on piano or guitar. It's a tool no other free music site offers.

FAQ

Frequently Asked Questions

Is Play Music Online completely free?
Yes, all our virtual instruments and music tools are 100% free to use. No sign-up, no downloads, no hidden fees.
Do I need to download anything?
No, everything runs directly in your web browser using the Web Audio API. No downloads or installations required.
Can I use my computer keyboard to play?
Yes! Our virtual piano maps A-S-D-F keys to white keys and W-E-T-Y to black keys. All instruments support keyboard controls.
Does it work on mobile devices?
Yes, every tool is fully responsive with touch-optimized controls. Play piano, drums, and more on any phone or tablet.
Can I connect a MIDI keyboard?
Yes, we support the WebMIDI API. Connect your MIDI controller and play directly in the browser.
How accurate is the online tuner?
Our tuner uses the Web Audio API's oscillator analysis for precise pitch detection. It's as accurate as dedicated hardware tuners.
Can I record what I play?
We're developing a recording feature. For now, use system audio recording tools to capture your sessions.
Do you have sheet music available?
We offer interactive chord charts, scale diagrams, and note references. Sheet music is planned for a future update.
Are there lessons for beginners?
Yes! Our theory section covers notes, intervals, chords, scales, and the circle of fifths — perfect for beginners.
How do I report a bug?
Use the contact form linked in the footer. We respond quickly to all bug reports and feature requests.