Frequency Generator
Play a simple pure tone by choosing a frequency, waveform, and volume.
Everything runs in your browser. No audio is uploaded or recorded.
Status
Idle
Values above 20,000 Hz may not be audible or playable on common speakers and headphones.
Presets
What it does
This tool generates a single continuous tone at the frequency you choose. It is useful for quick tone checks, reference pitches, and experimenting with simple waveforms.
How to use it
- Choose a preset or enter a frequency in Hz.
- Set a low volume first, then choose the waveform you need.
- Press Start to play the tone and Stop when you are done.
Tips
- Start at a low volume, especially when using high frequencies.
- Actual playback above the usual hearing range depends on your browser, device, and speakers.
- Sine is the cleanest option for a pure reference tone.
FAQ
Does this claim any health or luck effects?
No. It only plays a selected frequency and does not make claims about medical, wellness, or fortune effects.
Can common devices play 22,000 Hz?
Some devices may try, but many speakers, headphones, and playback chains reduce or cut frequencies that high.
Is my audio sent to a server?
No. The tone is generated locally in your browser.