Drop any audio file and get accurate tempo and musical key detection in seconds. Everything runs in your browser. Your files never leave your device.
Start AnalyzingDrag and drop your file or click to browse. Supports MP3, WAV, FLAC, OGG, and more.
Drag & drop your audio file here
or click to browse
Everything you need to identify your track's tempo and key. Fast, free, and private.
Your audio files are analyzed entirely in your browser. Nothing is ever uploaded to our servers.
Get results in seconds. Our optimized algorithms deliver near-instant analysis on any device.
MP3, WAV, FLAC, OGG, AAC, M4A and more. Every major audio format works out of the box.
No sign-ups, no limits, no paywalls. Analyze as many tracks as you want, forever.
Advanced algorithms deliver precise BPM and key detection, even on complex or layered tracks.
Get Camelot codes for harmonic mixing. Perfect for DJs blending tracks seamlessly.
Three simple steps to detect the tempo and key of any audio file.
Drag and drop any audio file into the analyzer, or click to browse your files.
Our engine analyzes the audio locally in your browser in just a few seconds.
View the BPM, musical key, and Camelot code, ready to use in your DAW or DJ set.
Everything you need to know about SnapBPM.
Yes, completely free with no limits. You can analyze as many tracks as you want without signing up or paying anything.
No. All analysis happens directly in your web browser using the Web Audio API. Your audio files never leave your device. We never see, store, or have access to your music.
We support all major audio formats including MP3, WAV, FLAC, OGG, AAC, and M4A. If your browser can play it, SnapBPM can analyze it.
Our BPM detection is highly accurate for most genres, typically within 1 BPM of the actual tempo. Key detection uses advanced spectral analysis and is reliable for the vast majority of tracks.
The Camelot Wheel is a visual tool used by DJs for harmonic mixing. It assigns a number-letter code to each musical key, making it easy to identify which songs will sound good mixed together. Matching or adjacent Camelot codes blend harmonically.
Yes! SnapBPM is fully responsive and works on any modern mobile browser. Just tap the upload area to select an audio file from your phone.