Audio chord analyzer
Turn an audio file into a chord timeline with an estimated key and tempo. Analysis stays on this device and only common triads are named — anything unclear is reported as unknown instead of guessed.
Analysis settings
Your file stays on this device. Chord detection runs in a local worker; cancel any time and it stops immediately.
Good to know
Audio chord analyzer
Turn an audio file into a chord timeline with an estimated key and tempo. Analysis stays on this device and only common triads are named — anything unclear is reported as unknown instead of guessed.
What each setting does
- Detection sensitivity
- Higher values name more chords; lower values keep only confident matches.
- Chord timeline
- Load a file and run the analysis to see its chord timeline.
- Play from here
- Only major and minor triads are named. Dense mixes, seventh chords and inversions usually read as unknown or as the nearest triad.
Choose an audio file
Analyze chords
Download CSV
A few useful answers
No. Processing stays in this browser and the original file is not uploaded.