Are my audio files uploaded to a remote server?

No. The audio decoding and pitch-class profiling run 100% locally in your web browser with zero server data storage.

What is the Camelot Wheel key code?

The Camelot Wheel (e.g. 8A, 8B, 11A) is a harmonic mixing system used by DJs to mix tracks that share compatible musical scales without clashing.

Can I tap along to find the tempo manually?

Yes! Use our built-in Tap Tempo helper at the bottom of the tool to tap along to the beat of any live audio or song.

HARMONIC DJ & TIKTOK DSP ENGINE

BPM Finder & Song Key Detector

Find the exact tempo (BPM), musical scale, and DJ Camelot mixing code of any song or audio clip directly in your browser.

Audio BPM & Musical Key Finder

Detect tempo, BPM and musical scale for DJs, producers & TikTok creators

Choose audio file or drag & drop

Supports MP3, WAV, M4A, FLAC, OGG, AAC (100% In-Browser DSP)

Manual Tap Tempo Helper

Tap BPM--

How to Detect BPM and Musical Key

Complete the task in a few clear steps without unnecessary setup.

Upload Song or Beat

Select or drag and drop any MP3, WAV, FLAC, or M4A audio file into the BPM analyzer box above.

Instant In-Browser DSP Analysis

Our Web Audio engine automatically scans energy peaks and harmonic chroma profiles without uploading your file.

View BPM, Key & Camelot Code

Get your exact Beats Per Minute (BPM), musical root key (e.g. C Major), and DJ Camelot code (e.g. 8B) instantly.

BPM & Key Finder FAQ

Common questions and detailed answers.

PullDL uses spectral energy peak detection combined with Krumhansl-Schmuckler chroma profile correlation, providing studio-grade accuracy for modern pop, EDM, hip-hop, and TikTok beats.

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