Harmidi is an in-browser MIDI controller that turns your computer keyboard into a multi-instrument workstation. Built for traveling musicians and harmony magicians, it offers a flexible and intuitive way to explore musical ideas while on the go or in the studio.
Built using @react-midi/hooks
A Zone is a group of keys that share settings.
- Create a new zone by pressing on the "+" icon in the sidebar.
- Delete a zone by clicking the trash icon in the zone panel.
- Rename a zone by clicking on the name in the zone panel.
- Add keys to a zone by enabling key mapping mode with the switch on the bottom of the sidebar. After pressing the keys you would like to add, disable key mapping mode.
| Setting | Description |
|---|---|
| Instrument | Select a built-in sound for testing (if MIDI is disabled) |
| Channel | Select the zone's MIDI channel (if MIDI is enabled) |
| Order | Choose the order of the zone's progression. Default is left-to-right, top-to-bottom. |
| Hold | When enabled, keys in this zone will act as switches, remaining held until pressed again. |
| Velocity | Choose the zone's note velocity |
| Octave | Increase or decrease the zone's octave |
| Transpose | Transpose the zone's notes up or down |
| Mute | Zones Select zones to mute when a key is pressed. It is suggested a zone mutes itself when playing > 1 voice. |
| Voices | Select from a list of chords, or build your own by adding up to 8 voices. |
| Quantize | Select from a list of scales, or create your own. Voices will be quantized to the nearest note in the scale. |
- Harmidi was developed as a MIDI controller; built-in sounds are meant for demo purposes and may appear sluggish or behave in unexpected ways.
- Many keyboards have a limit to the amount of simultaneous key presses they can detect. Find out more here.
- If you would like to control virtual MIDI devices or DAWs (such as Ableton Live, Logic Pro, etc.), you will need to setup a virtual MIDI driver. This article explains how.