Free White Noise Fan — Online Fan Sound Generator
Why Fan Noise Helps You Sleep and Focus
Fan noise is one of the most effective forms of sound masking. The steady, broadband hum of a fan covers up sudden environmental sounds — a car horn, a dog barking, a door slamming — that would otherwise jolt you awake or break your concentration. Unlike music or podcasts, fan noise requires zero cognitive processing, making it ideal for both sleep and deep work.
Our generator recreates five distinct fan sounds: ceiling fan (deep brown noise), box fan (rich, full-bodied hum), desk fan (lighter pink noise), tower fan (smooth airflow), and industrial fan (powerful bass rumble). Adjust the speed slider to change pitch and intensity — no download, no signup required.