Tools & Plugins
Free tools by Eye Heru 369 for producers, mixers, and sound explorers. Pick how you want to use them.
Frequency Detector Tool
Find the musical key of any frequency. Free.
Listen live and see the note, key, and exact Hz of any sound, with a live spectrum and full chart. Use it two ways:
🎛️ The Plugin
Install it in your DAW or run it standalone. AU, VST3, AAX, CLAP, Standalone for Mac & Windows, plus a free iOS app.
Download the plugin →🌐 The Web Tool
The key and frequency mixing reference, right in your browser. Nothing to install, works anywhere.
Open the web tool →More tools coming soon. ☀ Eye Heru 369