✓ Tap to detect✓ Audio analysis✓ Free forever

BPM Detector

Find song tempo in beats per minute by tapping along or analyzing an audio file.

Tap the button in time with the beat to calculate BPM.

0 taps · aim for at least 6 taps

How to use BPM Detector

📋

Step 1

Choose Tap Mode or Audio File mode.

⚡

Step 2

Tap in time with the beat or upload a track.

✨

Step 3

Copy the BPM and use it in your mix or practice.

How BPM Detector works

Tap Mode calculates the average time between your taps and converts it to beats per minute. The Audio File mode uses the Web Audio API to decode the track, measures energy in short windows, and finds repeating peaks to estimate tempo. Everything runs in your browser, so your audio stays local to your device.

Why use this BPM Detector?

📋

Step 1

Get tempo fast without installing software.

⚡

Step 2

Use tap tempo when you only need a quick estimate.

✨

Step 3

Analyze tracks offline with in-browser processing.

✅

Step 4

Free for DJs, producers, and music learners.

Frequently asked questions

Is this BPM detector free to use?

Yes. It is free and runs in your browser with no signup. You can detect BPM by tapping or analyzing audio.

Does the tool upload my audio?

No. Audio files are decoded in your browser with the Web Audio API and are not uploaded or stored.

How accurate is BPM detection?

Tap mode accuracy improves with more taps. Audio analysis works best with clear beats, and complex tracks may vary by a few BPM.

What audio formats are supported?

Most browser-supported formats like MP3, WAV, and M4A. If a file cannot be decoded, try another format.

How do I use tap tempo?

Select Tap Mode and click the button in time with the beat. The BPM updates after a few taps.