Tempo in BPM
Returns the dominant tempo of a track — the number of beats per minute that drives the song's groove.
BPM FINDER
Find the BPM of any song instantly
Drop a track to detect tempo, key, energy and danceability — 100% browser-based and private.
Musical Key --
Tempo --
Energy --
Danceability --
BPM FINDER
Detect Song Tempo in Seconds
Whether you're a DJ matching tracks, a dancer counting steps or a video editor cutting on the beat — our BPM Finder gives you a precise tempo reading instantly.
Overview
What the BPM Finder Does
The BPM Finder analyzes the rhythmic pulse of any audio file and returns its tempo in beats per minute. It also reports key, energy and danceability so you have full track context.
Privacy
100% Browser-Based
All audio analysis happens in your browser using WebAudio. Your tracks never upload to our servers — perfect for unreleased music and confidential client work.
Use Cases
DJs, Dancers, Editors
Build harmonic mixes by matching BPM, choreograph routines with precise tempo, edit video on the beat, train rhythm-game maps and more.
What Is a BPM Finder?
Beat Detection
Detects individual beat positions, useful for syncing video cuts, light shows and choreography.
Energy & Danceability
Adds energy and danceability metrics so you can sort and filter your library beyond just BPM.
Key Features
Speed
- Tempo readings in 2–4 seconds.
- Works with files up to 30 minutes long.
- No queue, no signups — instant access.
Accuracy
- Robust against noisy mixes and live recordings.
- Handles half-time / double-time genres correctly.
- Reports key alongside tempo.
Privacy
- Audio never leaves your browser.
- No login, no email, no upload.
- Free to use unlimited times.
Why Choose Our BPM Finder
Instant Reading
Get a BPM number in seconds.
100% Free
No paywalls, no usage limits.
Private
Browser-only — files stay on your device.
Accurate
Tested on dance, rock, classical and pop.
Sub-tempo Aware
Flags half-time and double-time edge cases.
Built for DJs
Camelot key + BPM in one drop.
FAQ: BPM Finder
How accurate is the BPM Finder?
Highly accurate on tracks with a steady pulse. Live recordings, classical music and rubato passages may show varying tempo.
Is my audio uploaded?
No. Analysis runs in your browser using WebAudio — your file never leaves your device.
What file types are supported?
MP3, WAV, M4A, FLAC and OGG. Most modern browser audio formats work out of the box.
Why does my BPM look halved or doubled?
Some genres (drum & bass, half-time hip-hop) have ambiguous tempo. Use the half/double interpretation in your DAW.
Can I detect key as well?
Yes — the BPM Finder also returns musical key for full track analysis.