Detect the musical key and scale of any song
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Knowing the musical key of a track is essential for harmonic mixing, remixing, sampling, and music production. RemoveVocals's Key Finder uses chromagram analysis to detect the predominant pitch classes in your audio, identifying both the key and scale (major or minor) with high accuracy. This musical key detector and song key detector provides results in standard notation and Camelot wheel notation codes for DJ compatibility using advanced harmonic mixing technology.
Upload any audio file — MP3, WAV, FLAC, OGG, or M4A — and get an instant key detection with a visual chroma distribution display. The chromagram and scale finder shows the relative energy of all 12 pitch classes, giving you insight into the harmonic content and chord finder capabilities of the track. Use this Camelot wheel information to find compatible tracks for mixing, choose the right key for a cover, or identify transposition needs.
All analysis runs locally in your browser with zero uploads. Complete track metadata with BPM Finder, transpose to your desired key, or analyze vocals separately to understand the full harmonic picture. Whether you're a DJ building harmonically-mixed sets or a musician analyzing chord progressions, accurate key detection is your starting point. For detailed harmonic mixing techniques, read our complete BPM & Key guide for DJs.
Upload your audio file to RemoveVocals's key finder. The tool analyzes the musical content and displays the detected key in standard notation (C, D, E, etc.). It also provides the Camelot wheel notation and confidence level.
Camelot notation is a wheel-based system used by DJs to identify harmonically compatible keys. It maps the 12 musical keys around a wheel numbered 1-12, making it easy to find songs that mix well together for harmonic mixing.
Chroma visualization displays the strength of each musical pitch class in your audio. It shows a color-coded wheel of the 12 musical notes, helping you understand the harmonic content of your song.
RemoveVocals's key finder works with all major audio formats including MP3, WAV, OGG, FLAC, and M4A. Upload any music file to instantly detect its musical key.