Sample Analyzer
Drop an audio file. Get BPM, key, loudness, waveform, and spectrogram instantly.
Drop your audio file here
WAV, MP3, FLAC, AIFF — max 50MB, max 30 seconds
Get the full report
Genre, mood, danceability, spectral profile, and downloadable PDF — free with your email.
No spam. Just your report + occasional production tips.
What you get — instantly, for free
BPM Detection
Accurate tempo detection with confidence score. No more half-tempo errors.
Key & Scale
Musical key with major/minor detection. Actually gets minor keys right.
Loudness (LUFS)
Integrated loudness measurement. Know where your sample sits before it hits the mix.
Waveform
Visual waveform display. See transients, sustain, and amplitude envelope at a glance.
Spectrogram
Frequency content over time. See where the energy sits — sub, mid, or high.
Full Report [email]
Genre, mood, danceability, spectral profile + PDF download. Free with your email.
Why not just use Tunebat?
| Feature | Tunebat | Samplab | Sombra |
|---|---|---|---|
| BPM + Key | ✓ | ✓ | ✓ |
| Loudness (LUFS) | ✗ | ✗ | ✓ |
| Waveform | ✗ | Basic | ✓ |
| Spectrogram | ✗ | ✗ | ✓ |
| Genre / mood | ✗ | ✗ | Free* |
| PDF report | ✗ | ✗ | Free* |
| No account needed | ✓ | ✗ | ✓ |