About InstrumentTuner

InstrumentTuner is a free, browser-based online tuners for every instrument. No app, no account, no download.

What InstrumentTuner does

InstrumentTuner gives musicians a fast, accurate tool that opens instantly on any phone, tablet or computer. Everything runs inside your browser using the Web Audio API.

Your privacy

Tuners that use your microphone analyse the sound on your own device. InstrumentTuner never uploads, stores or listens to your audio. See the privacy policy.

Who publishes InstrumentTuner

InstrumentTuner is published by M&B Marketing SARL, a digital publishing company registered in France (SIREN 837 729 300). The site is free to use and supported by advertising.

Our other free music tools

• OnlineMetronome: metronome with tap tempo
• InstrumentTuner: chromatic tuner plus guitar, bass, cello, viola, mandolin and banjo
• ViolinTuner: violin tuner
• UkuleleTuner: ukulele tuner in every common tuning