FREE IN-BROWSER AUDIO ANALYSIS
Hear more than sound.
> DECODE YOUR MUSIC
BPM, key, chords, loudness, stems, and AI authenticity — decoded instantly in your browser. Free, private, and no account required.
MP3 · WAV · FLAC · AIFF · M4A · OGG — 12+ PARAMETERS — 200 MB MAX — NO ACCOUNT
Ready when you are
Drop a track. Decode it.
Upload a file or paste a YouTube link. Your results render in the browser in seconds — no queue, no account.
Features
Six ways to read your music
BPM
Tempo and beat grid from 60 to 200+ BPM, with a tappable beat counter.
Key & Camelot
Musical key, scale, and Camelot notation — ready for DJ libraries.
Chords
Full progression with timestamps and roman numeral labels.
Loudness
LUFS, true peak, RMS, and dynamic range for mastering decisions.
Stems
Separate audio into drums, bass, vocals, and other instruments.
AI Detection
Estimate whether a track is human-made or AI-generated.
How it works
From file to insight
Upload a track
Drop an MP3, WAV, FLAC, AIFF, M4A, or OGG file up to 200 MB — or paste a YouTube link.
Analyze in your browser
WebAssembly decodes the audio on your device. Your track never leaves your computer.
Explore the details
Read BPM, key, chords, waveforms, and loudness. Save results to history or export them.
Why Audiograph
Private, fast, and free by design
Private by default
Core analysis runs in your browser — your audio stays on your device.
Instant results
No queues, no uploads, no waiting on a server. Drop a file and go.
Free, always
No accounts, no subscriptions, no hidden limits on any feature.
Wide format support
MP3, WAV, FLAC, AIFF, M4A, and OGG, plus full quality control when converting.
Extras on demand
Stem separation and lyrics transcribe securely on our servers — only when you opt in.
Works anywhere
Desktop and mobile browsers, no install required.
More tools
The rest of the studio
FAQ
Frequently Asked Questions
What can I analyze? +
Upload MP3, WAV, FLAC, AIFF, M4A, or OGG files to get BPM, musical key, chord progressions, loudness metrics, and AI-powered audio authenticity analysis.
How does it work? +
All analysis runs in your browser using WebAssembly — your audio never leaves your device for core features (BPM, key, chords, loudness, AI detection). Stem separation and lyric transcription are processed on our secure server.
Is there a file size limit? +
Yes, the maximum file size is 200 MB. For longer tracks, the analysis is performed on a representative portion to ensure fast results.
Do I need an account? +
No account needed for one-off analysis. Creating a free account lets you save and revisit your analysis history.
Is it free? +
Yes, all audio analysis features are completely free. No hidden charges or usage limits.