BPMKEY GUIDE
How BPMKEY Works | Free Song BPM & Key Analyzer
Learn how to upload songs and use BPMKEY to estimate BPM, musical key, Camelot key, Energy, Danceability and Happiness.
How BPMKEY Works
Upload Your Songs
Click Upload Songs or drag one or multiple supported audio files into the upload area.
Browser Analysis Starts
The analyzer processes the available audio data and calculates software-generated estimates.
Review Track Information
View estimated BPM, musical key, major/minor mode, Camelot key, Energy, Danceability and Happiness.
Search & Organize
Search by track name, key or BPM. Filter and sort your temporary library to find suitable tracks faster.
Preview Tracks
Use the Play button to preview audio. Starting another track automatically stops the current track and updates both controls.
Use Results as Guidance
Audio analysis values are estimates. For critical professional work, verify results with your preferred DJ software or specialist tools.
What Each Result Means
- BPM: Estimated beats per minute, useful for tempo-based organization and DJ mixing.
- Key: Estimated musical key and major/minor mode.
- Alt Key: Camelot notation for DJ-friendly harmonic mixing workflows.
- Energy: An estimated measure of perceived intensity and audio activity.
- Danceability: An estimated score influenced by rhythmic and tempo characteristics.
- Happiness: An estimated mood score influenced by tonal and audio characteristics.