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Auto-Key 2 is the automatic key, scale, and tempo detection plug-in designed to speed your Auto-Tune

Automatic Key, Scale, and Tempo Detection.



  • Scan your music in real-time and detect key, scale, and tempo information automatically from any audio file.
  • Drag and drop audio files directly into Auto-Key 2 for easy detection of key, scale, and tempo information across all Auto-Tune plug-ins.
  • Click the “Send to Auto-Tune” button, and compatible versions of Auto-Tune are automatically updated with the correct key and scale settings.
  • Automate key changes to compatible Auto-Tune plug-ins in your session to ensure all Auto-Tune plug-ins stay in key with your song.

Tech Specs



OS X macOS 11 and higher

Plugins: VST-3, AU, AAX



Windows Windows 10 and 11

Plugins: VST-3, AAX

Antares Auto-Key 2

  • Licenses may take up to 24 hours to process and be delivered