Guitar Tuner

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Press Escape or tap outside to stop

How to Tune Your Guitar

1. Allow Microphone

Tap "Start Tuning" and grant microphone access when prompted by your browser.

2. Play a String

Pluck a single string on your guitar or bass. The tuner will detect the note automatically.

3. Tune to Green

Adjust the tuning peg until the gauge needle centers and turns green. You're in tune!

Supported Tunings

Guitar

  • Standard E A D G B E
  • Drop D D A D G B E
  • Half Step Down Eb Ab Db Gb Bb Eb
  • DADGAD D A D G A D
  • Open D D A D F# A D
  • Open G D G D G B D
  • Open E E B E G# B E

Bass

  • 5-String Standard B E A D G
  • 4-String Standard E A D G
  • Drop D B D A D G
  • Half Step Down Bb Eb Ab Db Gb

Why Use This Tuner

Real-Time Detection

Instant pitch analysis using advanced autocorrelation. See results as you play.

Works Everywhere

Use on your phone, tablet, or desktop. No app download required — just open and tune.

Multiple Tunings

Standard, Drop D, DADGAD, Open tunings, and more for both guitar and bass.

7 Visual Themes

Switch between Arcade, Studio, Retro, Nexus, Glass, Neon, and Clean themes to match your style.