Online Piano
Click, tap or use your keyboard to play. Everything is synthesized live in your browser.
Play with your keyboard: white keys A S D F G H J K, black keys W E T Y U. Hold to sustain.
Free online piano you can play in your browser
The Ajenza Online Piano is a free virtual piano keyboard that plays entirely in your web browser — no app, no sign-up and no downloads. Every note is synthesized live with the Web Audio API, so you can play by clicking the keys, tapping them on a phone, or using your computer keyboard. Switch between triangle, sine, square and sawtooth tones, adjust the volume, and show or hide the note labels while you practise or play.
Is the online piano free?
Yes — it is completely free, with no sign-up, no download and no watermark.
How do I play with my computer keyboard?
White keys are A S D F G H J K and black keys are W E T Y U. Press and hold to sustain a note; release to stop it.
Does it work on a phone?
Yes. The keyboard is responsive, so you can tap the keys on any phone or tablet.
Do I need to install anything?
No. Sound is generated in the browser with the Web Audio API — nothing to install and no permissions required.
More free music tools: Online Harmonium · Drum Machine · Song Remixer