Free browser tone generator
Drift Tones
Create steady browser tones and soft ambience for work breaks, focus, relaxation, or winding down.
- Work break
- Focus
- Wind down
- Sleep
Selected mode
Relax / Alpha
Left 200 Hz · Right 210 Hz
Ready when you are.
Headphones make the left/right split clearer. Start low and keep the sound comfortable.
Ambience loops
Click once to play · click again to stop
Advanced: base tone
Most people can leave this alone. Lower can feel softer for rest; higher can feel more present for focus.
Inspired by common Delta, Theta, Alpha, and Beta spacing labels. This is a personal relaxation/sound tool, not medical advice, diagnosis, or treatment. Stop if it feels uncomfortable.
Free browser tone generator
Drift Tones plays two steady sine tones at once: one in the left channel, one slightly higher in the right. Everything runs locally in your browser.
Ambience loops
Optional pre-generated MP3 ambience can loop alongside the tone generator. Store files in the local sounds folder next to this page.