Free focus tools
Small, quiet tools that run right here in your browser. No app, no account, no data collected — just a steadier way into deep work.
The sound mixer
Brown noise, soft rain, and an optional 40 Hz binaural layer. Mix your own steady soundscape and leave it on.
Headphones recommended →The focus timer
One sentence, one breath, one quiet block. 15 to 90 minutes with a soft chime at the end.
Runs in the tab title too →
When you want more than tools
The 40 Hz Focus Kit
Eight composed tracks over exact-frequency tones — deep work, study, wind-down and sleep. About 5.3 hours, offline, yours forever.
Hear the previews →
30-second listens · €15 once