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Free Focus Sounds — Rain, Café, White Noise Generator
Free Focus Sounds is a free online tool by US AI. Every sound is generated in real time with the Web Audio API — no downloads, no streaming, no copyrighted audio.
🔒 All sounds are synthesized live with Web Audio — zero audio files, nothing downloaded, works offline after load.
📖 How to use
- Press Play mix, then blend the four sounds with the volume sliders.
- Use Solo on any card to hear just that sound.
- Set the sleep timer (15/30/60 min) to auto-stop. Your mix stays on this device.
✨ Why use this tool?
US AI's focus sounds player costs zero bandwidth — the audio is synthesized, not streamed. Great for studying, deep work and falling asleep.