Tuning Fork
Virtual tuning fork for instrument tuning. Set the audio options to generate, record, measure, or process sound in your browser.
Tool guide
About Tuning Fork Tone
Play a steady reference tone for tuning or pitch comparison using the frequency control provided. A browser tone can help by ear, but it is not a calibrated tuner or substitute for checking instrument intonation.
How to use this tool
- 1Choose the reference frequency or note offered by the page.
- 2Start the tone and compare it with the instrument or sound you are tuning.
- 3Stop the tone when done and use a tuner or measurement tool if precise pitch is needed.
How the tool works
The page creates an oscillator using the selected frequency and browser audio output. A tuning reference such as A4 is typically 440 Hz, but the actual perceived pitch depends on playback hardware and settings.
Worked real-world example
If a string sounds lower than the 440 Hz reference, adjust it gradually while comparing the two tones.
Common scenarios and use cases
Provide a simple pitch reference for music practice or demonstrations.
Important details and limitations
The browser output is not a precision standard, and volume or waveform can affect perception. Do not overtighten strings or use pitch alone where instrument safety matters.
Check the output unit as well as the number. If the result will be reused in another calculation, retain full precision where possible and round only at the end. For measurements governed by a technical specification, use the standard and tolerance required by that document.
Frequently asked questions
Is the standard A always 440 Hz?
A4=440 Hz is common, but ensembles may use another tuning standard.
Can it tune an instrument automatically?
No. It plays a reference tone for comparison.
Why does a phone speaker sound weak at low notes?
Small speakers may not reproduce low frequencies well.