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Sleep better with white noise, rain, ocean waves & custom sound mixes.
Fall asleep faster, focus deeper, and relax with White Noise Generator — a free ambient sound app with no ads and no account required. Mix and match from 12 unique sounds, all generated in real-time — no audio files to download, no streaming required. Works completely offline once loaded. 🔊 SOUNDS INCLUDED • White Noise — classic static for masking distractions • Pink Noise — softer, like gentle rainfall • Brown Noise — deep rumble for deep sleep • Fan — realistic fan simulation • Rain — soothing rainfall with natural variation • Ocean Waves — rolling waves with ebb and flow • Wind — gentle breeze through trees • Crickets — peaceful nighttime ambiance • Heartbeat — calming rhythmic pulse • Train — gentle rhythmic motion • Binaural Beats — frequency-based focus enhancement • Campfire — warm crackling fire 🎛️ SOUND MIXER Combine multiple sounds at once with individual volume controls. Create your perfect soundscape — rain with distant thunder, ocean waves with crickets, or any combination you like. 💾 SAVE YOUR FAVORITES Name and save your custom sound mixes. Load them instantly anytime. ⏰ SLEEP TIMER Set a timer for 15 minutes to 8 hours. Sounds fade out gradually so you're never jarred awake. 🌟 BUILT-IN PRESETS • Deep Sleep — brown noise + heartbeat • Focus Mode — binaural beats + pink noise • Rain on Window — rain + wind • Ocean Night — ocean waves + crickets • Cozy Evening — campfire + rain + crickets 🫁 BREATHING EXERCISES Guided 4-7-8 breathing technique with audio cues for relaxation and stress relief. 📊 SOUND VISUALIZATION Watch real-time waveform or spectrum display of your sound mix. ✨ WHY WHITE NOISE GENERATOR? • 100% free — no ads, no subscriptions, no in-app purchases • Works offline — no internet needed after first load • No account required — just open and play • Dark mode by default — easy on the eyes at bedtime • Tiny app size — everything generated on your device • Keeps playing with screen off Perfect for: • Falling asleep and staying asleep • Studying and deep focus work • Meditation and relaxation • Masking tinnitus • Calming babies and toddlers • Blocking office noise White Noise Generator uses the Web Audio API to create all sounds programmatically on your device. No audio files means instant loading, tiny size, and true offline support.