BPM Detector

Detect the tempo of any song or audio file instantly

Help me use BPM Detector. First ask me to attach audio. Then ask for my preferences, complete the task, and return the finished result.Attach filesConnect tools

Why Choose Our Free BPM Detector?

Find the tempo of any song in seconds. Upload an audio file for automatic detection or tap along to the beat. No software to install, no account needed.

100% free to use — no hidden fees or watermarks
Works through your Magica conversation, with no separate tool interface to learn.
Available through your Magica account.
Automatic BPM detection from any audio or video file
Tap-to-BPM mode for manual tempo finding
Confidence indicator shows detection accuracy
Supports MP3, WAV, AAC, FLAC, M4A, and video files
Share the file with Magica in chat so the agent can process it for this workflow.

How to Detect BPM in 3 Easy Steps

01
Attach Your Audio
attach your audio file in the chat. We support MP3, WAV, AAC, FLAC, and even video files to extract audio from.
02
Automatic Analysis
Our algorithm analyzes the audio using energy-based onset detection and autocorrelation to find the dominant beat pattern.
03
View Your Results
See the detected BPM displayed prominently with a confidence indicator. Play back the audio with the waveform player to verify.

What Makes Our BPM Detector Special

Accurate Detection

Uses energy-based onset detection with autocorrelation to accurately find the tempo, even in complex audio with multiple instruments.

Instant Results

Analysis happens in your browser using the Web Audio API. Get BPM results in seconds, no server uploads required.

Complete Privacy

Your audio never leaves your device. All processing happens locally in your browser for complete privacy.

Tap-to-BPM Mode

Prefer to find the tempo manually? Use the tap mode to tap along with the beat and calculate BPM from your rhythm.

Who Can Benefit from Our BPM Detector?

Whether you are mixing tracks, practicing music, or planning a workout, knowing the BPM is essential.

DJs & Producers

Find the BPM of tracks for beatmatching, harmonic mixing, and creating seamless DJ sets.

Musicians

Identify the tempo of songs for practice, transcription, or matching the feel of a reference track.

Runners & Fitness Enthusiasts

Build playlists at specific BPMs to match your running cadence or workout intensity.

Music Teachers & Students

Verify the tempo of pieces for lessons, exams, and practice sessions.

Content Creators

Match background music tempo to the pacing of your videos, podcasts, or presentations.

Dance Instructors

Find songs at the right tempo for choreography, from slow waltzes to fast-paced routines.

Frequently Asked Questions About Our BPM Detector

Is this BPM detector really free?

This workflow is available through Magica; access and usage follow your Magica plan.

How accurate is the BPM detection?

Our algorithm is highly accurate for most music genres. The confidence indicator shows you how reliable the detection is. Songs with a clear, consistent beat yield the highest accuracy.

What audio formats are supported?

You can upload MP3, WAV, AAC, OGG, FLAC, M4A files, and even video files (MP4, MOV, WebM) to extract audio from.

How does the tap-to-BPM feature work?

Simply tap the button in time with the beat of a song. After two or more taps, the tool calculates the BPM from the average interval between your taps. It resets automatically after 3 seconds of inactivity.

What does the confidence indicator mean?

The confidence indicator shows how prominent the detected beat pattern is. High confidence means a clear, strong beat was found. Medium or low confidence may indicate the track has tempo changes, complex rhythms, or ambient content without a strong beat.

Is my audio uploaded to your servers?

No! All processing happens right in your browser using Web Audio API technology. Your audio never leaves your device, ensuring complete privacy.

What is the BPM detection range?

The detector searches for tempos between 40 and 220 BPM, covering everything from very slow ballads to fast electronic music. Results are normalized to a common range for readability.

Can I use this on my phone?

Yes! Our BPM detector works on smartphones, tablets, and computers. Just open it in your browser. Note that analysis may be slightly slower on mobile devices.

Ready to make it?