🎸 Jeremy G.'s Pro Tuner

Hi-precision YIN pitch detection · ~1 cent stable accuracy · pure synthesized reference tones (no copyrighted audio)

Prefer not to use the mic? Pick "Reference tones only" — the mic card is hidden and the tuner just plays clean synthesized notes you can tune your guitar against by ear.

Standard (E A D G B E)

The default tuning for 99% of songs.

🎤 Live mic tuning

−50¢ flat0¢+50¢ sharp

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Press "Start listening" and play a string

IDLE

Privacy: the mic auto-stops after 30 seconds of silence, or after 2 minutes maximum. Nothing is recorded or sent anywhere — all processing happens inside your browser.

Auto-pick closest target string

A4 reference: Hz (default 440, change for vintage tuning)

For best accuracy: hold a single string steady, no other strings ringing. The needle stabilizes after ~250ms. Within ±5¢ = locked in. Mic permission required.

🎸 Tap a peg to hear the reference note

Tap any peg to hear the reference tone for that string in the current tuning. Switch tunings below.

🔊 Click string to hear reference

Each note plays a steady ~2.5s synth tone. Useful when there's no mic, or to sound the target.

🔄 Tunings catalog

All audio is synthesized in your browser — no external samples, no copyright issues.
Landslide (Smashing Pumpkins cover) is a placeholder; tell me the exact intervals you use and I'll lock them in precisely.