Real-Time Multiplayer
Every note you play is heard by everyone in the room within milliseconds. PianoFlow uses WebSocket connections with binary batching and Web Audio scheduling to deliver low-latency, jitter-free playback — even with dozens of simultaneous players.
Premium Soundfonts
Choose from a curated library of concert-grade piano samples:
- Yamaha CFX Grand — bright, balanced concert grand
- Nord Romantic Grand — warm, expressive tone
- Steinway B-211 — rich, resonant studio grand
- Steinway B 1956 — vintage character with natural warmth
- FluidR3 Grand — lightweight general-purpose piano
Each soundfont streams from a CDN so you get studio-quality sound without a large download.
MIDI Keyboard Support
PianoFlow supports the Web MIDI API. Connect any USB or Bluetooth MIDI controller and it will be detected automatically. Full velocity sensitivity and sustain pedal support are included, so you can play with the same expressiveness as a real instrument.
Private & Public Rooms
Create a password-protected room for a private jam session, or join the open lobby to play with anyone online. Each room has its own chat, user list, and moderation tools. Room hosts can kick or ban disruptive players.
Built-In Chat & Voice
Text chat with emoji support is available in every room. Rooms can optionally enable voice chat so you can talk while you play. Moderation tools give hosts full control.
Works Everywhere
PianoFlow runs in any modern browser on desktop, tablet, or mobile. No plugins, no downloads, no account required. Just open the link and play.