Tone Generator
Generate tones at selected frequencies.
Capability-dependent testPrivacy-first
Tests run locally in your browser. We do not upload keystrokes, pointer paths, or media.
Important
- Not a medical hearing test and not calibrated sound pressure level.
- Keep volume low; stop if uncomfortable. Long pure tones can fatigue hearing.
Local oscillator only — not a medical hearing test and not calibrated SPL. Default volume is low. Stop if uncomfortable. High/low extremes may sound distorted on small speakers.
Sweep→ms
Results
- Current frequency
- 440 Hz
- Waveform
- sine
- Audio status
- Ready
- Playing
- No
How to use
- Set frequency, waveform, and pan; keep volume low.
- Press Start for a continuous tone or run a sweep.
- Stop all sounds is always available; audio stops when the tab hides.
- Not a medical hearing test.
What the result means
- Results are browser-local observations with explicit limitations.
- See Limitations for what this tool cannot claim.
Limitations
- Not a medical hearing test and not calibrated sound pressure level.
- Keep volume low; stop if uncomfortable. Long pure tones can fatigue hearing.
Troubleshooting
- Nothing happens after Start
- Focus the tab, allow required permissions if prompted, and ensure the control surface is active.
- Permission was denied
- Open browser site settings for this origin, re-enable camera/microphone, then reload and try again.
Related tools
FAQ
Is this a hardware laboratory result?
No. DeviceMetrik reports browser-observed or visual-aid results with clear limits.