Upload your music
Drag and drop or browse for supported audio files including MP3, WAV, M4A, FLAC, AAC and OGG.
Simple workflow
From upload to mix-ready in minutes.
Upload your audio and BPMKEY guides you through a clear analysis workflow—tempo, musical key, Camelot notation and useful track attributes in one place.
✓ No signup✓ Browser based✓ Free to use
Your analysis flow
01
UploadChoose your audio file
✓02
AnalyzeTempo + tonal content
↻03
ResultsBPM · Key · Camelot
✓5 easy steps
A clear path from song to sound data.
No complicated setup. Start with your file and follow the results through one focused workspace.
Decode & prepare
Your browser prepares the audio for analysis without requiring an account or a complicated setup.
Detect the tempo
BPMKEY evaluates rhythmic changes and beat patterns to estimate the track's tempo.
Find key & Camelot
Pitch-class information is compared across major and minor profiles, then translated into Camelot notation.
Use your results
Search, filter, preview and export your analyzed library for DJ sets, production and music organization.
Behind the analysis
Useful information, presented without the technical clutter.
BPMKEY turns audio analysis into results you can actually use. The interface keeps the important details visible while your track library stays easy to search and manage.
Explore all features →Tempo estimate
See the rhythmic speed of a track and sort your library by BPM.
Musical key
Get a practical major or minor key result for your workflow.
Camelot notation
Use an easy reference system when planning harmonic transitions.
Better results
Quick tips for more reliable analysis.
01
Use a clear source
High-quality, full-length audio generally gives the analyzer more useful rhythmic and tonal information.
02
Expect musical nuance
Live recordings, tempo changes and harmonically complex songs can be more difficult for any automatic detector.
03
Trust your ears too
Use BPM and key results as a fast starting point, then audition important transitions when precision matters.
Ready to analyze your own tracks?
Upload a song and bring BPM, key and Camelot information into one organized workspace.
Open the Analyzer