Binaural Beats Generator

Generate custom binaural beats online for focus, sleep, relaxation, and meditation.

On‑the‑fly WebAudio • No downloads required to play

Target Brainwave Frequency

Choose a band (beat frequency = |Left − Right|). You can also fine‑tune or randomize within the band.

Beat Frequency (difference Left↔Right, Hz)

10.0 Hz

Tip: Toggle a lock to keep the beat constant while you adjust the other carrier.

Tune the carrier frequencies and channel volumes. Recommended carriers: 100–500 Hz.

Left Base Frequency (Hz)Hz270.5

Right Base Frequency (Hz)Hz266.6

Left Volume

Right Volume

Idle

Set a playback duration. Audio will stop automatically when the timer elapses.

Preset Duration

Custom (minutes)

Remaining: —

Record the live session to download. An email address is required before you can access the file.

Download ready

Format: Opus/WebM (stream capture). For WAV export, see the inline code comment to switch to OfflineAudioContext (long renders may be heavy).