Teacher Note Colors:
Key: No Key

A 7(#9#5)

F \ A7
G 9sus4 \ A
Keys Pressed on Piano (6):
Plug in any USB/Bluetooth MIDI Piano (Arturia KeyLab Essential 88, Yamaha, Roland, Casio, Kawai, Korg, Nord) or click/touch keys below

Note & Piano Key Color Customizer

Quick Classroom Color Presets:
#2563EB
#2563EB
#1E3A8A
#14161C
#EA580C
#2563EB
12-Note Individual Colors (Used in "12-Note Classroom Colors" Mode):

Classroom Display & MIDI Options

Compatible Pianos & 5-Platform Connection Guide

macOS & Windows PC

Plug your piano's USB cable directly into your Mac or Windows computer, or pair via Bluetooth MIDI. The app detects your keyboard immediately with zero drivers needed.

iPad & iPhone (iOS)

Connect via a USB-B to USB-C cable (newer iPads/iPhones), an Apple Lightning to USB Camera Adapter, or wireless Bluetooth MIDI.

Android Tablets & Phones

Connect via a USB-B to USB-C cable (or USB OTG adapter) or wireless Bluetooth MIDI. Ensure USB MIDI is enabled if prompted.

Licensing & 2-Super-Admin Access Control

Authorized Master Super Admins (Maximum 2 Super Admins):
Generate New Customer / Teacher / Student License Key:
Issued Customer Licenses (Super Admins Can Pause, Revoke, or Reactivate Any User):
Customer "Buy License" Checkout Link (Stripe / PayPal / Website):

Activate Chordie Classroom Piano

Welcome to Chordie Classroom Piano for Windows, macOS, iPad, iPhone, and Android. Please enter your License Key or Super Admin Master Key to unlock the classroom studio.

Need a Classroom License? $49/year or $99 Lifetime (All Devices)
Purchase License Online →
Quick Super Admin Demo Login:

Live Classroom Screen Share & Multi-Student Broadcast

Status: Ready to Broadcast or Join a Live Class
Share your entire piano screen (pressed keys, Grand Staff notes, chords, sustain, and note colors) to unlimited students in real time.

1. Teacher: Broadcast My Screen to Students

Start a live classroom room so multiple students on iPads, iPhones, Android tablets, Macs, or Windows PCs see everything you play in real time.

2. Student: Watch Teacher's Live Screen

Enter the Teacher's Room Code below to mirror the teacher's 88-key piano, Grand Staff notes, chord names, and note colors live on your screen.

Scan & Connect MIDI Piano (USB & Bluetooth)

Scanning for Connected Pianos...
Checking USB-C, Lightning Camera Adapter, and Bluetooth MIDI inputs.