Frequency Generator
A complete frequency generator in your browser: pure sine tones at any hertz, binaural beats, isochronic pulses, bilateral panning and colored noise — all in one tool, all free.
Pick a mode, choose a preset or dial in your own frequency, set the sleep timer, and press play.
Prefer real music at these frequencies?
A pure tone is a taste — a full composition is a bath. Our catalog is real healing music tuned to these exact frequencies, free on every platform.
Frequently asked questions
What is a frequency generator used for?
Sound-healing and meditation practice, generating specific solfeggio tones, brainwave entrainment (via binaural or isochronic modes), masking noise for sleep, and audio testing.
Which mode should I choose?
Pure tone for a single frequency; binaural beats (with headphones) for brainwave entrainment; isochronic pulses if you can’t use headphones; noise for sleep masking.
More free sound tools
These tools support relaxation and wellness practice. They are not medical devices and don't treat any condition — for persistent sleep, hearing or anxiety concerns, please talk to a healthcare professional.