PianoFall — Free Online Piano Visualizer & Synthesia Alternative
PianoFall is a free Synthesia-style piano visualizer that runs in your browser. Drop any MIDI file and watch notes fall toward a piano keyboard. Connect a MIDI keyboard or use your computer keyboard to play along. No download required.
Features
MIDI file visualizer with falling notes — free Synthesia alternative online
MIDI keyboard support via Web MIDI API (Chrome and Edge)
Microphone pitch detection for acoustic piano or any instrument
Practice modes: Watch (listen), Wait (pause until you play the note), Free (no restrictions)
Live sheet music (grand staff: treble and bass clef)
BPM-synced metronome
Multi-track MIDI support with color-coded instruments
Local MIDI library — browse a folder of your own MIDI files
Built-in Songs (free, public domain)
Für Elise — Beethoven (easy)
Ode to Joy — Beethoven (easy)
Minuet in G — Bach (easy)
Shallow — Lady Gaga & Bradley Cooper (medium)
Moonlight Sonata — Beethoven (medium)
Gymnopédie No.1 — Erik Satie (medium)
Clair de Lune — Debussy (hard)
Toccata & Fugue in D minor — Bach (hard)
How to use PianoFall
Visit pianofall.app. Drop a .mid or .midi file onto the page, or choose one of the built-in classical songs. The notes will appear as falling colored blocks above a piano keyboard. Press the keys on your MIDI keyboard or computer keyboard to play along. Switch to Wait mode to pause at each note until you play it correctly.