Download OpenKeyScan

Get studio-grade musical key detection on your desktop. OpenKeyScan is free, open source and designed for DJs, producers and music creators who need reliable harmonic analysis.

Choose your platform below. All builds are 64-bit and run fully offline — no accounts, no subscriptions, no cloud processing.

Windows

Windows 10 & 11

Download for Windows 64-bit

macOS

macOS Catalina or newer

Apple Silicon M-series Intel 64-bit

Linux

Coming soon

Quick install notes

OpenKeyScan runs entirely on your machine. No online activation or cloud processing is required. After installation, you can immediately drag in your tracks and start analyzing keys.

All analysis happens locally. Your audio files are never uploaded or sent anywhere.

Minimum supported versions

Windows

• Windows 10 (64-bit)
• Windows 11 (64-bit)

32-bit Windows is not supported. If you’re unsure, you’re almost certainly on 64-bit.

macOS

• macOS 10.15 Catalina or newer

Both Apple Silicon (M-series) and Intel 64-bit Macs are supported. Use the build that matches your CPU for best performance.

Linux

• 64-bit distributions coming soon

New to OpenKeyScan?

Learn how key detection works, how accurate it is and how to integrate it into your DJ or production workflow.

How it works View benchmarks