Frequency Generator
Generate customized audio tones and test your hearing directly in the browser. Simple, precise, and free.
Frequency Control
Hz
20 Hz20 kHz
Waveform
Volume
50%⚠️ Be careful with high volumes at high frequencies.
Saved Presets
No presets saved yet.
Common Frequency Uses
- 440 Hz - Standard concert pitch (A above middle C)
- 1,000 Hz - Common reference frequency for audio testing
- 432 Hz - Alternative tuning sometimes called "scientific pitch"
- 15,000-20,000 Hz - Testing high-frequency hearing (varies by age)
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