Studio Utilities

Production Tools

Free, professional audio tools running directly in your browser. Calculate your Reverb times and check your track's Loudness Penalty.

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We just launched a fully playable, zero-latency digital Harmonium right in your browser! Features proper Sargam notation, native MIDI keyboard support, drone notes, and realistic bellows simulation.

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Audio Track Analyzer

Instantly detect the BPM and estimated Musical Key of any song directly in your browser. No files are uploaded.

Drop track to analyze BPM & Key

or click to browse

Loudness Penalty Checker

Open in new tab

Upload your audio file below to see how much streaming services (Spotify, YouTube, Apple Music) will adjust your track's volume. **100% Secure & Private:** Files are analyzed locally in your browser and never uploaded to any server.

Drag & Drop your audio file here

or click to browse

Tap Tempo & BPM Calculator

Find the BPM of any track by tapping along to the beat. Click the circle below or press the Spacebar.

TAP
--- BPM

Delay & Reverb Time Calculator

Perfect your mix by tuning your delay times, reverb pre-delays, and LFO rates to the exact tempo of your track.

Harmonics & Overtones Calculator

Discover the natural harmonic series of any fundamental frequency. Essential for EQing specific overtone rings, sound design, and understanding instrument timbres.

Harmonic Overtone Frequency Closest Note (Cents) Interval (from Fund.)