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Upload audio
Drag & drop a song here or choose a file.
Best browser support: MP3, WAV, M4A/AAC, OGG. FLAC support depends on your browser.
VISUAL
Waveform
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FILE & TAGS
Song Information
TECHNICAL
Audio Properties
MUSICAL ESTIMATES
Tempo & Tonality
BPM and key are estimates from the audio signal, not embedded metadata. Results are strongest on clean, steady songs.
DYNAMICS
Energy Profile
Average energy
SONG MAP
Energy Timeline
Approx. 10-second sections
AI-READY
Advanced Song Intelligence
Backend AI required
The browser can analyze the signal locally. For reliable lyrics and semantic listening, connect a secure backend AI/audio service. This panel defines the fields your full version should populate.
Recommended final version: keep API keys on a Cloudflare Worker / server, never inside the browser app.
REPORT