BPM detection with confidence
Multi-segment tempo analysis gives you a reliable BPM read, including double-time alternatives.
Track Analysis
Find the BPM and Key of Any Song
Upload an audio file or search a track on Spotify and get BPM, musical key, song sections, and chord movement back in seconds, with confidence scores you can actually trust.
What it does
Musical key and relative key
Get the detected key plus its relative major/minor, so you always know your options for matching material.
Song section breakdown
See intro, verse, chorus, and outro boundaries mapped across the track's energy curve.
Chord progression estimate
A best-effort chord progression readout gives you a harmonic starting point for sampling or covering.
Analyze from Spotify directly
Search a track by name or paste a Spotify link, no need to have the audio file on hand.
Always free to use
Track Analyzer is a Discover tool, which means it's free on every plan, no credits required.
Frequently asked
Can I analyze a song without uploading a file?
Yes, search for it on Spotify directly from the analyzer and KeyTone will pull a preview to analyze.
How accurate is the key detection?
It uses multi-segment chroma analysis and reports a confidence score alongside the result, so you know how certain the read is.
Is Track Analyzer really free?
Yes, all Discover tools, including Track Analyzer, are free on every plan without spending credits.
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Try it free, no credit card required
Every free account gets weekly credits across all Create tools, and Discover tools are always free to use.