🎵Ukulele Tuner
Click on a string button to hear the reference tone

Tuning Meter

-20-100+10+20
Frequency: -- Hz
Deviation: -- cents
--

Click any button above to hear the reference tone for that string.

Keyboard shortcuts: Press Q, W, E, or R to play the strings quickly.

Standard tuning: G-C-E-A (re-entrant C tuning)

Free Online Tool

Ukulele TunerTune by ear or with your mic

Pick a tuning mode, play a reference tone (Q/W/E/R), and adjust slowly until the meter centers. Prefer hands-free? Use mic mode—audio is processed locally in your browser and we don’t store recordings.

Real-time Tuning
Precise Detection
100% Free
🎵
Strings
4
Modes
±1
Cents
100%
Free

Multiple Tuning Modes

Switch between gCEA (Standard), aDF#B (High), DGBE, and fA#DG (Low). If you’re not sure, start with gCEA—most soprano/concert/tenor ukuleles use it.

Reference Tones (Train Your Ear)

Tap a string button to hear the target pitch and match it by ear. This is especially useful when you can’t use a microphone (noise, permissions, or shared spaces).

Real-time Microphone Input

Allow mic access and pluck one string at a time. The meter shows whether you’re sharp or flat, so you can make small, safe adjustments.

Visual Tuning Meter

Aim for the needle to center and stay steady for a moment. If it jumps around, pluck again and keep the note ringing cleanly.

Perfect For

Who Can Use This Tool?

Whether you’re new to the ukulele or tuning before a session, this tool is designed to get you in tune quickly and safely.

Beginners

  • Start with gCEA and tune one string at a time
  • Use reference tones when mic permissions are blocked
  • Avoid broken strings by tightening gradually
  • Learn what “sharp/flat” sounds like in practice

Experienced Players

  • Fast checks between songs with the meter
  • Switch tunings for different arrangements
  • Use shortcuts (Q/W/E/R) for quick reference tones
  • Troubleshoot noisy rooms by switching to tones
How It Works

How to Use the Ukulele Tuning Tool

A simple workflow: choose a tuning, pick tones or mic mode, then adjust slowly until the needle centers.

1

Choose a tuning

Start with gCEA (Standard) unless you specifically need High (aDF#B), DGBE, or Low (fA#DG).

2

Pick your method

Use reference tones (button or Q/W/E/R) to tune by ear, or enable mic mode for live feedback.

3

Tune safely

Pluck one string, then turn the peg in small steps. If a string suddenly feels very tight, stop—loosen a bit and re-check so you don’t overshoot and break it.

4

Fix common issues (quick checklist)

If the mic doesn’t work: allow permissions, switch to Chrome/Safari, and move closer to the sound hole. If the meter is unstable: pluck more cleanly, reduce background noise, and try tuning by ear with reference tones.

Why Choose Us

Key Advantages

Free Forever

No signup, no paywalls—open it and tune.

Privacy-first mic mode

Audio is processed locally in your browser. We don’t store recordings.

Multiple Modes

Standard gCEA plus High, DGBE, and Low—use the one that matches your setup.

Reference tones + shortcuts

Play target notes with one click or Q/W/E/R—great when the room is noisy or the mic is unavailable.

Clear, stable meter

Designed for quick decisions: sharp vs flat, and how close you are to center.

No installation

Runs in your browser on desktop and mobile.

FAQ

Frequently Asked Questions

Q1.What tuning modes are supported?

We support four common ukulele tuning modes: gCEA (Standard), aDF#B (High), DGBE, and fA#DG (Low). Select the mode that matches your ukulele type.

Q2.How do I use the microphone tuning?

Click “Start Tuning”, allow microphone access, then pluck one string at a time. Adjust in small steps until the needle centers.

Q3.Can I use keyboard shortcuts?

Yes! Press Q, W, E, or R keys to quickly play the reference tones for each string without clicking.

Q4.Is this tool free?

Yes, our ukulele tuner is completely free to use with no registration or payment required.

Q5.Does it work on mobile devices?

Yes. On iPhone/iPad, make sure Safari has microphone permission enabled. On Android, Chrome usually works best.

Q6.What if the microphone doesn't work?

Check browser permissions first. If it still fails, try Chrome (Android/desktop) or Safari (iOS). You can always switch to reference tones to tune by ear.

Q7.How tight should I tune my ukulele strings?

Turn the peg gradually. If a string suddenly feels very tight, stop and loosen slightly—overshooting can break strings, especially with new strings.

Q8.When should I use reference tones instead of the mic?

Use tones in noisy rooms, when mic permissions are blocked, or if the meter is unstable. Tones also help you practice tuning by ear.

Q9.Why is the meter unstable or jumping?

Try plucking cleaner, muting other strings, and moving closer to the mic. Background noise and very weak signals can make the reading jumpy.

A practical tuner for real situations

This page is built for the moments you actually tune: right before practice, between songs, or when you’re changing string sets. Use mic mode for quick checks, or switch to reference tones when the environment is noisy or permissions get in the way.

A few real-world tips: New strings stretch—tune up, play for a minute, then re-check. If you keep overshooting, make smaller peg turns and pluck consistently. If a string feels unusually tight, stop and confirm you’re targeting the correct note for your selected mode.

Free tuner
Reference tones
Mic mode
Multiple tunings
Keyboard shortcuts

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