Alarm Sound Generator — 33 Presets & Custom Tones
A free online alarm sound creator for making custom alarm tones, notification beeps, sirens, and alert sounds. Choose waveform type, frequency, duration, and pattern — download the result instantly.
Generate alarm clock tones, notifications, sirens, and alert sounds
All processing happens in your browser — no files uploaded to servers
Features
How to Create an Alarm Sound
Choose a preset from 7 categories or switch to the Custom tab
Click Play to preview the sound — adjust volume as needed
Tweak settings: frequency, pattern, waveform, or advanced controls
Select duration and format, then click Download to save the file
Frequently Asked Questions
Can I use the generated sounds as phone alarms or ringtones?
Yes. Export as M4R for iPhone or MP3 for Android. Set the file as your alarm or ringtone in your phone's settings.
How many alarm presets are available?
33 presets across 7 categories: Alarm Clock, Notification, Alert, Siren, Buzzer, Musical, and Retro. Each produces a unique sound.
Can I customize the sound?
Yes. Switch to the Custom tab to control frequency, waveform, beep pattern, sweep, LFO modulation, fade, and even add a second oscillator.
What formats can I download?
WAV, MP3, OGG, FLAC, M4A, AAC, OPUS, and M4R (iPhone ringtone). Lossy formats support bitrate selection from 128 to 320 kbps.
Is there a maximum duration?
You can export up to 5 minutes. M4R (iPhone ringtone) is limited to 40 seconds by Apple's format requirement.
Is my data uploaded to a server?
No. All sound generation and encoding happens in your browser using Web Audio API and FFmpeg WebAssembly. Nothing leaves your device.
We can — and it's free! Just send us a quick message with your idea. If you'd like to discuss it in detail, leave your email and we'll get back to you. You can stay anonymous.
