Find the Key and BPM of Any Song in Seconds

Just upload your track, and our powerful AI will instantly detect the key, BPM, and mood with studio-grade accuracy. Supports MP3, WAV, FLAC, AIFF. No registration required.

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Drag and drop audio files for instant analysis

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How to Find Key and BPM

Get your results in 3 easy steps

Upload Your Music File

Drag and drop your audio file or click to select from your device. Supports MP3, WAV, FLAC, AIFF and other common formats.

Tips: No file size limits for most audio files

Analyze in Seconds

Our AI-powered algorithm gets to work immediately. Most songs are fully analyzed in under 30 seconds - no waiting required.

Tips: All processing happens locally for maximum speed

Get Your Results

Receive the precise musical key (e.g., C# Minor), exact BPM (beats per minute), plus energy and mood scores for complete track analysis.

Tips: Export or copy results for your DJ software or DAW

Why Choose Our Key & BPM Finder

Studio-grade accuracy meets lightning-fast performance

Studio-Grade Accuracy

AI-powered detection delivers professional-quality results. Identify musical keys (e.g., C# Minor) with both major and relative minor alternatives for perfect harmonic mixing.

Blazing-Fast Analysis

Most tracks are fully analyzed in under 30 seconds. Our optimized algorithms process audio instantly so you can get back to creating.

Wide Format Support

Works with MP3, WAV, FLAC, AIFF, OGG, M4A and more. No format conversion needed - just drag, drop, and analyze.

Works In Your Browser

No software installation required. Everything runs directly in your browser with zero setup. Start analyzing immediately on any device.

Energy & Mood Metrics

Beyond key and BPM, get detailed energy, danceability, and mood scores. Organize your music library by vibe and intensity.

100% Private & Secure

All processing happens locally in your browser. Your audio files never leave your device - complete privacy guaranteed.

Key & BPM Finder FAQ

Everything you need to know about finding key and BPM

Upload your audio file to our Key & BPM Finder and our AI-powered algorithm automatically detects the musical key within seconds. Results show both the primary key (e.g., C# Minor) and its relative alternative for harmonic mixing in DJ sets and music production.

Simply drag and drop your audio file into our analyzer. The BPM (beats per minute) is detected automatically using advanced beat analysis. Most tracks are analyzed in under 30 seconds with results typically within 1-2 BPM accuracy.

A key and BPM finder is a tool that analyzes audio files to detect two essential musical properties: the musical key (like C Major or A Minor) and the tempo in BPM (beats per minute). DJs use this data for harmonic mixing, and producers use it for sampling and remixing.

BPM stands for 'beats per minute' - it measures how fast a song is. A higher BPM means a faster tempo. For example, house music typically ranges from 120-130 BPM, while drum and bass is usually 160-180 BPM. Knowing the BPM helps with beatmatching and tempo-synced production.

We support MP3, WAV, FLAC, AIFF, OGG, M4A and other common audio formats. Just drag and drop - no format conversion needed. The analyzer processes your original audio directly for the most accurate results.

Both are essential but serve different purposes. BPM is crucial for beatmatching and tempo alignment. Key is vital for harmonic mixing - ensuring melodies and samples sound good together. For DJs, matching both creates seamless transitions. For producers, key matching prevents dissonance in layered tracks.

Start Finding Key and BPM Now

Upload your track and get instant results. Free to use, no registration required. Join thousands of DJs and producers using our key and BPM finder.

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