CommandDialog

Audio Key & BPM Finder

Analyzes music and finds Key and BPM for your song. All audio processing is performed entirely on your device, ensuring privacy.

Key
N/A
BPM
N/A
Audio Pitch Shifter
Easily change song pitch and tempo using intuitive sliders. All audio processing is performed entirely on your device, ensuring privacy.

What is Audio Key & BPM Finder?

Audio Key & BPM Finder is a browser-based tool that instantly detects the musical key and tempo (beats per minute) of any uploaded song. Designed for simplicity, it requires no downloads or technical expertise—just upload an audio file (MP3, WAV, FLAC, etc.), and the tool processes it locally on your device within seconds. Your data remains private since no audio is sent to external servers. Whether you’re a music producer, DJ, or hobbyist, this free tool helps you quickly identify foundational musical elements to streamline creative workflows.

How to Use Audio Key & BPM Finder?

  1. Upload Your Audio: Click the Audio Upload control to select a file or drag and drop it directly.
  2. Automatic Analysis: Wait a few seconds as the tool analyzes the file. The key (e.g., C minor, G# major) and BPM (e.g., 128) will appear in labeled boxes below.
  3. Preview and Reset: The waveform of your audio will display for playback. To start over, click the reset button to upload a new file.

What is Audio Key & BPM Finder Used For?

  • Music Production: Match your track’s key and tempo with compatible samples or loops for seamless mixing.
  • DJ Mixing: Align the BPM of multiple tracks to create smooth transitions during live sets.
  • Fitness Playlists: Sync workout routines to music with consistent tempos for motivation.
  • Remixing/Cover Songs: Adjust the key of a song to suit your vocal range or instrumentation.
  • Music Education: Analyze songs to study their harmonic structure and rhythmic patterns.