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Vocuno ships a suite of seven free practice utilities. They run entirely in your browser — audio never leaves your device, there’s no credit cost, and no account is needed.

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The tools

  • Online Tuner — real-time tuner for guitar, bass, violin, ukulele, or voice, with cents-sharp/flat readout and instrument presets (including drop D and chromatic).
  • Pitch Detector — live note detection with note name, octave, frequency, cents deviation, and a pitch-history trace of your singing or playing.
  • Vocal Range Finder — guided test that captures your lowest and highest comfortable notes and estimates your voice type, from bass to soprano.
  • Metronome — precise click with BPM control, time signatures, subdivisions (quarters to sixteenths and triplets), accented downbeats, and built-in tap tempo.
  • Tap BPM — tap along to any song to find its tempo; rolling average with outlier filtering and a confidence score. No microphone needed.
  • BPM Delay Calculator — convert BPM into delay times in milliseconds for every note value (including dotted and triplet) — for tempo-synced delays, echoes, and reverb pre-delay.
  • Note Frequency Calculator — convert any note to Hz with an adjustable A4 reference (default 440), with a full octave table for synthesis, tuning, and EQ work.

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Frequently asked questions

Yes — all seven are free with no credit cost and no account required. Processing happens locally in your browser.
The tuner, pitch detector, and vocal range finder listen through your mic to analyze pitch — the audio is processed on your device and never uploaded.