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📊 Audio Analyzer
Automatically detect BPM (tempo) and musical key from audio files. Everything runs in your browser — no files are uploaded to any server.
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Drop an audio file here
Supports MP3, WAV, AIFF, OGG, FLAC, AAC
📖 How to Use
- 1.Drag & drop an audio file into the drop zone, or click to browse. Supported formats: MP3, WAV, OGG, AAC, and more.
- 2.Once a file is loaded, BPM (tempo) and key analysis will start automatically.
- 3.Results include BPM, musical key (major/minor), and Camelot code — useful for DJ mixing and song selection.
💡 About This Tool
This tool uses the Web Audio API to analyze audio entirely in your browser. Your files are never uploaded to any server. BPM is detected using onset detection and autocorrelation, while the key is determined by correlating chroma features with Krumhansl-Kessler key profiles.