432 Hz Tone Generator
A pure 432 Hz sine tone, one press away. 432 Hz is the alternative concert tuning many listeners describe as warmer and more relaxing than standard 440 Hz.
A pure tone is perfect for tuning, testing and short meditative resets. For sleep and longer sessions, real 432 Hz music works better — start the playlist below.
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 special about 432 Hz?
It’s an alternative tuning standard (A4 = 432 Hz instead of 440 Hz). Fans describe it as softer and more natural-feeling; it’s the tuning we use across our own healing music catalog.
432 Hz vs 440 Hz — can I hear the difference?
Use the two presets to compare directly. The difference is subtle on a pure tone and more noticeable across full music.
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.