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Generate sine, square, triangle, sawtooth tones at any frequency.
Warning: Start at low volume — pure tones at high volumes can cause hearing damage. Frequencies above ~17–18 kHz become inaudible with age. Square and sawtooth waves are loud due to rich harmonic content.
Generate pure sine, square, triangle, or sawtooth tones at any frequency from 20 Hz to 20 kHz. Useful for hearing tests, speaker calibration, instrument tuning, tinnitus matching, and audio experimentation. Stereo channel selector, smooth attack/release, fully browser-based — no audio uploaded.
Generate and customize pure audio frequencies for testing, tuning, or calibration directly in your browser.
Select your desired waveform type
Choose between sine, square, triangle, or sawtooth waves depending on your specific audio testing needs.
Enter the target frequency value
Input a specific frequency between 20 Hz and 20 kHz to generate the exact pitch required for your project.
Configure the stereo channel output
Use the stereo channel selector to output the tone to the left, right, or both speakers for precise calibration.
Activate the tone generator
Press the play button to start the audio stream with smooth attack and release transitions to protect your equipment.
Estimated time: PT1M
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