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MidiKeys shows a little keyboard on screen, and you can use the computer keyboard to play MIDI notes. 'z' through ',' is the octave starting a middle C (note 60). The keys on the row above are flats (black keys), and the octave below is on the row starting with 'q' (and the digit row is that octave's flats).

In addition, you can select a MIDI source and see incoming notes played on the keyboard.

What's New

Version 1.8:
  • The application is now a universal binary.
  • New configurable hot key to toggle global hot keys.
  • Support for automatic software updates using the Sparkle framework.
  • New option to show the key caps on the on-screen keyboard.
  • New preferences to control the visibility of overlay notifications.
  • It is now possible to have no modifier key for global more...


  • Mac OS X 10.2 or later
  • Either an external Midi synthesizer with a Midi interface
  • Softsynth like SimpleSynth.

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4 5


Current Version (1.x)


Downloads 9,416
Version Downloads 3,160
License Free
Date 22 Jan 2010
Platform OS X / PPC 32
Price Free
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