Free tool

BPM & Key Finder

Drop your beats and get the tempo, the musical key and the Camelot code in seconds. No login, no uploads — everything is analyzed right in your browser.

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Frequently Asked Questions

Is the BPM and key finder free?

Yes. It is completely free, unlimited, and you do not need an account to use it.

Are my files uploaded anywhere?

No. The analysis runs entirely inside your browser with the Web Audio API. Your audio never leaves your computer and nothing is stored on our servers.

Can I analyze several songs at once?

Yes. Drop as many files as you like and each result appears as soon as that track has been analyzed.

What is the Camelot code?

Camelot notation turns the musical key into a number and a letter, like 8A or 11B, so DJs and producers can quickly find harmonically compatible tracks.

The BPM looks half or double what I expected

Some tracks are ambiguous between half-time and double-time. Use the divide-by-two and times-two buttons next to the BPM to switch instantly.

Which file formats work?

MP3, WAV, FLAC, M4A, OGG and AAC all work, as long as your browser can decode them.