Know Your Key. Mix Like a Pro.

Instant BPM and harmonic key detection for DJs and producers

Free, fast, and effortless. No software to install.

See instant results without uploading

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Why DJs Choose KeyFlow

Professional audio analysis tools designed for modern DJs and music producers

Lightning Fast

Get BPM and key analysis in under 10 seconds. No software installation required.

Beautiful Camelot Wheel

Interactive harmonic mixing guide. See compatible keys at a glance.

Mixing Made Easy

Perfect for harmonic mixing. Build better DJ sets with confidence.

How It Works

Three simple steps to better DJ mixes

1

Upload your track

Drag and drop or browse for MP3, WAV, or FLAC files

2

Get instant analysis

AI-powered detection finds BPM, key, and energy levels

3

Find compatible keys

See which tracks mix harmonically with yours