Online pitch tester

Check your audio pitch and frequency easily

A4
(440 Hz)
G#4
A#4
Current frequency: 440 Hz
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Confidence threshold:
Noise gate (dB):
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🎶 Tune by ear 🎶

-1 Octave
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+1 Octave
Microphone Access

Microphone Access

The pitch detector tool begins by asking permission to access your device's microphone. This is essential for real-time pitch detection. Once access is granted, you simply click the "Start Tuner" button. The tool immediately begins analyzing the incoming sound waves. It displays the detected pitch on-screen.

Real-Time Frequency Detection

Real-Time Frequency Detection

The tool measures the exact frequency of the input sound in real-time. Frequencies are displayed in Hertz (Hz), and users can see how close they are to the target pitch. Whether tuning a voice or instrument, the tool provides immediate feedback. This feature ensures precise pitch adjustments.

Visual Pitch Representation

Visual Pitch Representation

A graphical display shows your pitch visually, using a needle interface. When you're on pitch, the indicator centers itself. Sharp or flat notes push the needle left or right. This visual feedback is useful for singers and musicians alike. It helps understand pitch accuracy at a glance.

Note Detection and Naming

Note Detection and Naming

The Pitch Tester tool automatically detects and names musical notes, such as A4 or C#3. This helps users identify what note they’re playing or singing. It shows how far you are from the target note. The detected note changes instantly with variations in sound. This makes it ideal for voice training, instrument tuning, or music education.

No Installation and Free to Use

No Installation and Free to Use

The pitch tester is entirely browser-based, requiring no installation. There are no hidden fees or subscriptions involved. The tool is lightweight, fast, and accessible on all modern devices. It works well on both mobile and desktop platforms.

Versatile Instrument Compatibility

Versatile Instrument Compatibility

Whether you're a violinist, guitarist, flutist, cellist, or tuning a ukulele or piano, this pitch tuner is designed to work with a variety of instruments. It can capture a wide range of frequencies that correspond to standard musical tuning, ensuring that you're not restricted to one specific instrument.

how to image

How to Use the Pitch Tester Tool

1 . Grant microphone permission when prompted.
2 . Click on the "Start Tuner" button.
3 . Begin playing your instrument or singing.
4 . View the current frequency, note name, and tuning status.
5 . Adjust your sound based on the visual feedback.

Frequently Asked Questions


What is a pitch tester tool?

A pitch tester tool is an online tuner that detects and displays the frequency of sounds. It helps identify musical notes and pitch accuracy using your device’s microphone.

Is microphone permission required?

Yes, the tool uses your device’s microphone to analyze audio input. Without permission, it won’t be able to detect any sound.

What frequency range does it detect?

The pitch tester typically detects frequencies between 1 Hz to 20,000 Hz. This range covers most musical instruments and human vocal frequencies.

What is the 'current frequency' display?

It shows the real-time frequency (in Hertz) of the audio being input. This helps you see how accurate your pitch is.

Can it help with tuning instruments?

Absolutely. Musicians can use it to tune guitars, violins, ukuleles, and more by matching their sound to standard pitch frequencies.

Does the tool support all musical notes?

Yes, it supports 118 notes from A0 to G#8. These are standard notes used in Western music notation.

How accurate is the pitch detection?

The tool is designed to give real-time and precise readings, though ambient noise can affect results slightly. Using it in a quiet environment improves accuracy.

Can I use it without headphones?

Yes, but using headphones can prevent the mic from picking up feedback or background sounds from your speakers.

What browser is best for this tool?

The pitch testing tool works best with updated versions of Chrome, Firefox, Edge, and Safari.

Can I use it for vocal training?

Yes, singers use pitch testers to check if they’re hitting the right notes. It’s a great tool for practicing pitch accuracy.

Does it store or save my recordings?

No, this tool does not store or upload your audio. All pitch analysis is done locally on your device for privacy and safety.

Why is the detected frequency fluctuating?

Rapid frequency changes can happen due to background noise, unstable tone, or microphone sensitivity. Try using the tool in a quiet space.

Is an internet connection required?

Yes, since it’s a web-based tool, you need an internet connection to access and use the tool through a browser.

Can beginners use this tool easily?

Yes, the interface is simple—just allow mic access and click “Start Tuner.” The note and frequency appear immediately when sound is detected.

Can I use it for ear training?

Definitely. You can play or sing a note and match it with the displayed frequency to improve your pitch recognition.

Can I share the frequency results?

You can take screenshots of the tool’s display and share them. Currently, it doesn't support direct sharing features.

Does it show whether I'm sharp or flat?

Yes, if your pitch is slightly above or below the correct note, the tool will show it, helping you adjust accordingly.

Why is the tool not detecting any sound?

Check if the mic is allowed in your browser, and ensure your device has a working microphone. Try refreshing the page and restarting the tuner.

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About The Author

Rk Shree

RK Shree - A science enthusiast with a poetic flair, and possesses an insatiable desire to explore diverse fields seeking new knowledge and experiences. My work ethic is highly disciplined and dedicated. I take pleasure in pursuing creative endeavors that captivate me.